28670880

素因数分解:

$2^5\times 3^1\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{53}}^1$

素因数の和:108

約数の個数: 288

約数和(自身を含む): 111694464

約数和(自身を除く): 83023584

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 23, 24, 28, 30, 32, 35, 40, 42, 46, 48, 49, 53, 56, 60, 69, 70, 80, 84, 92, 96, 98, 105, 106, 112, 115, 120, 138, 140, 147, 159, 160, 161, 168, 184, 196, 210, 212, 224, 230, 240, 245, 265, 276, 280, 294, 318, 322, 336, 345, 368, 371, 392, 420, 424, 460, 480, 483, 490, 530, 552, 560, 588, 636, 644, 672, 690, 735, 736, 742, 784, 795, 805, 840, 848, 920, 966, 980, 1060, 1104, 1113, 1120, 1127, 1176, 1219, 1272, 1288, 1380, 1470, 1484, 1568, 1590, 1610, 1680, 1696, 1840, 1855, 1932, 1960, 2120, 2208, 2226, 2254, 2352, 2415, 2438, 2544, 2576, 2597, 2760, 2940, 2968, 3180, 3220, 3360, 3381, 3657, 3680, 3710, 3864, 3920, 4240, 4452, 4508, 4704, 4830, 4876, 5088, 5152, 5194, 5520, 5565, 5635, 5880, 5936, 6095, 6360, 6440, 6762, 7314, 7420, 7728, 7791, 7840, 8480, 8533, 8904, 9016, 9660, 9752, 10388, 11040, 11130, 11270, 11760, 11872, 12190, 12720, 12880, 12985, 13524, 14628, 14840, 15456, 15582, 16905, 17066, 17808, 18032, 18285, 19320, 19504, 20776, 22260, 22540, 23520, 24380, 25440, 25599, 25760, 25970, 27048, 29256, 29680, 31164, 33810, 34132, 35616, 36064, 36570, 38640, 38955, 39008, 41552, 42665, 44520, 45080, 48760, 51198, 51940, 54096, 58512, 59360, 59731, 62328, 67620, 68264, 73140, 77280, 77910, 83104, 85330, 89040, 90160, 97520, 102396, 103880, 108192, 117024, 119462, 124656, 127995, 135240, 136528, 146280, 155820, 170660, 178080, 179193, 180320, 195040, 204792, 207760, 238924, 249312, 255990, 270480, 273056, 292560, 298655, 311640, 341320, 358386, 409584, 415520, 477848, 511980, 540960, 585120, 597310, 623280, 682640, 716772, 819168, 895965, 955696, 1023960, 1194620, 1246560, 1365280, 1433544, 1791930, 1911392, 2047920, 2389240, 2867088, 3583860, 4095840, 4778480, 5734176, 7167720, 9556960, 14335440, 28670880]

約数ペア:

[(1, 28670880), (2, 14335440), (3, 9556960), (4, 7167720), (5, 5734176), (6, 4778480), (7, 4095840), (8, 3583860), (10, 2867088), (12, 2389240), (14, 2047920), (15, 1911392), (16, 1791930), (20, 1433544), (21, 1365280), (23, 1246560), (24, 1194620), (28, 1023960), (30, 955696), (32, 895965), (35, 819168), (40, 716772), (42, 682640), (46, 623280), (48, 597310), (49, 585120), (53, 540960), (56, 511980), (60, 477848), (69, 415520), (70, 409584), (80, 358386), (84, 341320), (92, 311640), (96, 298655), (98, 292560), (105, 273056), (106, 270480), (112, 255990), (115, 249312), (120, 238924), (138, 207760), (140, 204792), (147, 195040), (159, 180320), (160, 179193), (161, 178080), (168, 170660), (184, 155820), (196, 146280), (210, 136528), (212, 135240), (224, 127995), (230, 124656), (240, 119462), (245, 117024), (265, 108192), (276, 103880), (280, 102396), (294, 97520), (318, 90160), (322, 89040), (336, 85330), (345, 83104), (368, 77910), (371, 77280), (392, 73140), (420, 68264), (424, 67620), (460, 62328), (480, 59731), (483, 59360), (490, 58512), (530, 54096), (552, 51940), (560, 51198), (588, 48760), (636, 45080), (644, 44520), (672, 42665), (690, 41552), (735, 39008), (736, 38955), (742, 38640), (784, 36570), (795, 36064), (805, 35616), (840, 34132), (848, 33810), (920, 31164), (966, 29680), (980, 29256), (1060, 27048), (1104, 25970), (1113, 25760), (1120, 25599), (1127, 25440), (1176, 24380), (1219, 23520), (1272, 22540), (1288, 22260), (1380, 20776), (1470, 19504), (1484, 19320), (1568, 18285), (1590, 18032), (1610, 17808), (1680, 17066), (1696, 16905), (1840, 15582), (1855, 15456), (1932, 14840), (1960, 14628), (2120, 13524), (2208, 12985), (2226, 12880), (2254, 12720), (2352, 12190), (2415, 11872), (2438, 11760), (2544, 11270), (2576, 11130), (2597, 11040), (2760, 10388), (2940, 9752), (2968, 9660), (3180, 9016), (3220, 8904), (3360, 8533), (3381, 8480), (3657, 7840), (3680, 7791), (3710, 7728), (3864, 7420), (3920, 7314), (4240, 6762), (4452, 6440), (4508, 6360), (4704, 6095), (4830, 5936), (4876, 5880), (5088, 5635), (5152, 5565), (5194, 5520)]