261646560

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{257}}^1$

素因数の和:386

約数の個数: 288

約数和(自身を含む): 1034534592

約数和(自身を除く): 772888032

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 96, 101, 105, 112, 120, 126, 140, 144, 160, 168, 180, 202, 210, 224, 240, 252, 257, 280, 288, 303, 315, 336, 360, 404, 420, 480, 504, 505, 514, 560, 606, 630, 672, 707, 720, 771, 808, 840, 909, 1008, 1010, 1028, 1120, 1212, 1260, 1285, 1414, 1440, 1515, 1542, 1616, 1680, 1799, 1818, 2016, 2020, 2056, 2121, 2313, 2424, 2520, 2570, 2828, 3030, 3084, 3232, 3360, 3535, 3598, 3636, 3855, 4040, 4112, 4242, 4545, 4626, 4848, 5040, 5140, 5397, 5656, 6060, 6168, 6363, 7070, 7196, 7272, 7710, 8080, 8224, 8484, 8995, 9090, 9252, 9696, 10080, 10280, 10605, 10794, 11312, 11565, 12120, 12336, 12726, 14140, 14392, 14544, 15420, 16160, 16191, 16968, 17990, 18180, 18504, 20560, 21210, 21588, 22624, 23130, 24240, 24672, 25452, 25957, 26985, 28280, 28784, 29088, 30840, 31815, 32382, 33936, 35980, 36360, 37008, 41120, 42420, 43176, 46260, 48480, 50904, 51914, 53970, 56560, 57568, 61680, 63630, 64764, 67872, 71960, 72720, 74016, 77871, 80955, 84840, 86352, 92520, 101808, 103828, 107940, 113120, 123360, 127260, 129528, 129785, 143920, 145440, 155742, 161910, 169680, 172704, 181699, 185040, 203616, 207656, 215880, 233613, 254520, 259056, 259570, 287840, 311484, 323820, 339360, 363398, 370080, 389355, 415312, 431760, 467226, 509040, 518112, 519140, 545097, 622968, 647640, 726796, 778710, 830624, 863520, 908495, 934452, 1018080, 1038280, 1090194, 1168065, 1245936, 1295280, 1453592, 1557420, 1635291, 1816990, 1868904, 2076560, 2180388, 2336130, 2491872, 2590560, 2725485, 2907184, 3114840, 3270582, 3633980, 3737808, 4153120, 4360776, 4672260, 5450970, 5814368, 6229680, 6541164, 7267960, 7475616, 8176455, 8721552, 9344520, 10901940, 12459360, 13082328, 14535920, 16352910, 17443104, 18689040, 21803880, 26164656, 29071840, 32705820, 37378080, 43607760, 52329312, 65411640, 87215520, 130823280, 261646560]

約数ペア:

[(1, 261646560), (2, 130823280), (3, 87215520), (4, 65411640), (5, 52329312), (6, 43607760), (7, 37378080), (8, 32705820), (9, 29071840), (10, 26164656), (12, 21803880), (14, 18689040), (15, 17443104), (16, 16352910), (18, 14535920), (20, 13082328), (21, 12459360), (24, 10901940), (28, 9344520), (30, 8721552), (32, 8176455), (35, 7475616), (36, 7267960), (40, 6541164), (42, 6229680), (45, 5814368), (48, 5450970), (56, 4672260), (60, 4360776), (63, 4153120), (70, 3737808), (72, 3633980), (80, 3270582), (84, 3114840), (90, 2907184), (96, 2725485), (101, 2590560), (105, 2491872), (112, 2336130), (120, 2180388), (126, 2076560), (140, 1868904), (144, 1816990), (160, 1635291), (168, 1557420), (180, 1453592), (202, 1295280), (210, 1245936), (224, 1168065), (240, 1090194), (252, 1038280), (257, 1018080), (280, 934452), (288, 908495), (303, 863520), (315, 830624), (336, 778710), (360, 726796), (404, 647640), (420, 622968), (480, 545097), (504, 519140), (505, 518112), (514, 509040), (560, 467226), (606, 431760), (630, 415312), (672, 389355), (707, 370080), (720, 363398), (771, 339360), (808, 323820), (840, 311484), (909, 287840), (1008, 259570), (1010, 259056), (1028, 254520), (1120, 233613), (1212, 215880), (1260, 207656), (1285, 203616), (1414, 185040), (1440, 181699), (1515, 172704), (1542, 169680), (1616, 161910), (1680, 155742), (1799, 145440), (1818, 143920), (2016, 129785), (2020, 129528), (2056, 127260), (2121, 123360), (2313, 113120), (2424, 107940), (2520, 103828), (2570, 101808), (2828, 92520), (3030, 86352), (3084, 84840), (3232, 80955), (3360, 77871), (3535, 74016), (3598, 72720), (3636, 71960), (3855, 67872), (4040, 64764), (4112, 63630), (4242, 61680), (4545, 57568), (4626, 56560), (4848, 53970), (5040, 51914), (5140, 50904), (5397, 48480), (5656, 46260), (6060, 43176), (6168, 42420), (6363, 41120), (7070, 37008), (7196, 36360), (7272, 35980), (7710, 33936), (8080, 32382), (8224, 31815), (8484, 30840), (8995, 29088), (9090, 28784), (9252, 28280), (9696, 26985), (10080, 25957), (10280, 25452), (10605, 24672), (10794, 24240), (11312, 23130), (11565, 22624), (12120, 21588), (12336, 21210), (12726, 20560), (14140, 18504), (14392, 18180), (14544, 17990), (15420, 16968), (16160, 16191)]