261599520

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{113}}^1$

素因数の和:204

約数の個数: 384

約数和(自身を含む): 1042481664

約数和(自身を除く): 780882144

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 16, 20, 21, 24, 26, 28, 30, 32, 35, 39, 40, 42, 48, 52, 53, 56, 60, 65, 70, 78, 80, 84, 91, 96, 104, 105, 106, 112, 113, 120, 130, 140, 156, 159, 160, 168, 182, 195, 208, 210, 212, 224, 226, 240, 260, 265, 273, 280, 312, 318, 336, 339, 364, 371, 390, 416, 420, 424, 452, 455, 480, 520, 530, 546, 560, 565, 624, 636, 672, 678, 689, 728, 742, 780, 791, 795, 840, 848, 904, 910, 1040, 1060, 1092, 1113, 1120, 1130, 1248, 1272, 1356, 1365, 1378, 1456, 1469, 1484, 1560, 1582, 1590, 1680, 1695, 1696, 1808, 1820, 1855, 2067, 2080, 2120, 2184, 2226, 2260, 2373, 2544, 2712, 2730, 2756, 2912, 2938, 2968, 3120, 3164, 3180, 3360, 3390, 3445, 3616, 3640, 3710, 3955, 4134, 4240, 4368, 4407, 4452, 4520, 4746, 4823, 5088, 5424, 5460, 5512, 5565, 5876, 5936, 5989, 6240, 6328, 6360, 6780, 6890, 7280, 7345, 7420, 7910, 8268, 8480, 8736, 8814, 8904, 9040, 9492, 9646, 10283, 10335, 10848, 10920, 11024, 11130, 11752, 11865, 11872, 11978, 12656, 12720, 13560, 13780, 14469, 14560, 14690, 14840, 15820, 16536, 17628, 17808, 17967, 18080, 18984, 19292, 20566, 20670, 21840, 22035, 22048, 22260, 23504, 23730, 23956, 24115, 25312, 25440, 27120, 27560, 28938, 29380, 29680, 29945, 30849, 31640, 33072, 35256, 35616, 35934, 37968, 38584, 41132, 41340, 41923, 43680, 44070, 44520, 47008, 47460, 47912, 48230, 51415, 54240, 55120, 57876, 58760, 59360, 59890, 61698, 63280, 66144, 70512, 71868, 72345, 75936, 77168, 77857, 82264, 82680, 83846, 88140, 89040, 89835, 94920, 95824, 96460, 102830, 110240, 115752, 117520, 119780, 123396, 125769, 126560, 141024, 143736, 144690, 154245, 154336, 155714, 164528, 165360, 167692, 176280, 178080, 179670, 189840, 191648, 192920, 205660, 209615, 231504, 233571, 235040, 239560, 246792, 251538, 287472, 289380, 308490, 311428, 329056, 330720, 335384, 352560, 359340, 379680, 385840, 389285, 411320, 419230, 463008, 467142, 479120, 493584, 503076, 544999, 574944, 578760, 616980, 622856, 628845, 670768, 705120, 718680, 771680, 778570, 822640, 838460, 934284, 958240, 987168, 1006152, 1089998, 1157520, 1167855, 1233960, 1245712, 1257690, 1341536, 1437360, 1557140, 1634997, 1645280, 1676920, 1868568, 2012304, 2179996, 2315040, 2335710, 2467920, 2491424, 2515380, 2724995, 2874720, 3114280, 3269994, 3353840, 3737136, 4024608, 4359992, 4671420, 4935840, 5030760, 5449990, 6228560, 6539988, 6707680, 7474272, 8174985, 8719984, 9342840, 10061520, 10899980, 12457120, 13079976, 16349970, 17439968, 18685680, 20123040, 21799960, 26159952, 32699940, 37371360, 43599920, 52319904, 65399880, 87199840, 130799760, 261599520]

約数ペア:

[(1, 261599520), (2, 130799760), (3, 87199840), (4, 65399880), (5, 52319904), (6, 43599920), (7, 37371360), (8, 32699940), (10, 26159952), (12, 21799960), (13, 20123040), (14, 18685680), (15, 17439968), (16, 16349970), (20, 13079976), (21, 12457120), (24, 10899980), (26, 10061520), (28, 9342840), (30, 8719984), (32, 8174985), (35, 7474272), (39, 6707680), (40, 6539988), (42, 6228560), (48, 5449990), (52, 5030760), (53, 4935840), (56, 4671420), (60, 4359992), (65, 4024608), (70, 3737136), (78, 3353840), (80, 3269994), (84, 3114280), (91, 2874720), (96, 2724995), (104, 2515380), (105, 2491424), (106, 2467920), (112, 2335710), (113, 2315040), (120, 2179996), (130, 2012304), (140, 1868568), (156, 1676920), (159, 1645280), (160, 1634997), (168, 1557140), (182, 1437360), (195, 1341536), (208, 1257690), (210, 1245712), (212, 1233960), (224, 1167855), (226, 1157520), (240, 1089998), (260, 1006152), (265, 987168), (273, 958240), (280, 934284), (312, 838460), (318, 822640), (336, 778570), (339, 771680), (364, 718680), (371, 705120), (390, 670768), (416, 628845), (420, 622856), (424, 616980), (452, 578760), (455, 574944), (480, 544999), (520, 503076), (530, 493584), (546, 479120), (560, 467142), (565, 463008), (624, 419230), (636, 411320), (672, 389285), (678, 385840), (689, 379680), (728, 359340), (742, 352560), (780, 335384), (791, 330720), (795, 329056), (840, 311428), (848, 308490), (904, 289380), (910, 287472), (1040, 251538), (1060, 246792), (1092, 239560), (1113, 235040), (1120, 233571), (1130, 231504), (1248, 209615), (1272, 205660), (1356, 192920), (1365, 191648), (1378, 189840), (1456, 179670), (1469, 178080), (1484, 176280), (1560, 167692), (1582, 165360), (1590, 164528), (1680, 155714), (1695, 154336), (1696, 154245), (1808, 144690), (1820, 143736), (1855, 141024), (2067, 126560), (2080, 125769), (2120, 123396), (2184, 119780), (2226, 117520), (2260, 115752), (2373, 110240), (2544, 102830), (2712, 96460), (2730, 95824), (2756, 94920), (2912, 89835), (2938, 89040), (2968, 88140), (3120, 83846), (3164, 82680), (3180, 82264), (3360, 77857), (3390, 77168), (3445, 75936), (3616, 72345), (3640, 71868), (3710, 70512), (3955, 66144), (4134, 63280), (4240, 61698), (4368, 59890), (4407, 59360), (4452, 58760), (4520, 57876), (4746, 55120), (4823, 54240), (5088, 51415), (5424, 48230), (5460, 47912), (5512, 47460), (5565, 47008), (5876, 44520), (5936, 44070), (5989, 43680), (6240, 41923), (6328, 41340), (6360, 41132), (6780, 38584), (6890, 37968), (7280, 35934), (7345, 35616), (7420, 35256), (7910, 33072), (8268, 31640), (8480, 30849), (8736, 29945), (8814, 29680), (8904, 29380), (9040, 28938), (9492, 27560), (9646, 27120), (10283, 25440), (10335, 25312), (10848, 24115), (10920, 23956), (11024, 23730), (11130, 23504), (11752, 22260), (11865, 22048), (11872, 22035), (11978, 21840), (12656, 20670), (12720, 20566), (13560, 19292), (13780, 18984), (14469, 18080), (14560, 17967), (14690, 17808), (14840, 17628), (15820, 16536)]