123805320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{1447}}^1$

素因数の和:1515

約数の個数: 128

約数和(自身を含む): 400343040

約数和(自身を除く): 276537720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 31, 40, 46, 60, 62, 69, 92, 93, 115, 120, 124, 138, 155, 184, 186, 230, 248, 276, 310, 345, 372, 460, 465, 552, 620, 690, 713, 744, 920, 930, 1240, 1380, 1426, 1447, 1860, 2139, 2760, 2852, 2894, 3565, 3720, 4278, 4341, 5704, 5788, 7130, 7235, 8556, 8682, 10695, 11576, 14260, 14470, 17112, 17364, 21390, 21705, 28520, 28940, 33281, 34728, 42780, 43410, 44857, 57880, 66562, 85560, 86820, 89714, 99843, 133124, 134571, 166405, 173640, 179428, 199686, 224285, 266248, 269142, 332810, 358856, 399372, 448570, 499215, 538284, 665620, 672855, 798744, 897140, 998430, 1031711, 1076568, 1331240, 1345710, 1794280, 1996860, 2063422, 2691420, 3095133, 3993720, 4126844, 5158555, 5382840, 6190266, 8253688, 10317110, 12380532, 15475665, 20634220, 24761064, 30951330, 41268440, 61902660, 123805320]

約数ペア:

[(1, 123805320), (2, 61902660), (3, 41268440), (4, 30951330), (5, 24761064), (6, 20634220), (8, 15475665), (10, 12380532), (12, 10317110), (15, 8253688), (20, 6190266), (23, 5382840), (24, 5158555), (30, 4126844), (31, 3993720), (40, 3095133), (46, 2691420), (60, 2063422), (62, 1996860), (69, 1794280), (92, 1345710), (93, 1331240), (115, 1076568), (120, 1031711), (124, 998430), (138, 897140), (155, 798744), (184, 672855), (186, 665620), (230, 538284), (248, 499215), (276, 448570), (310, 399372), (345, 358856), (372, 332810), (460, 269142), (465, 266248), (552, 224285), (620, 199686), (690, 179428), (713, 173640), (744, 166405), (920, 134571), (930, 133124), (1240, 99843), (1380, 89714), (1426, 86820), (1447, 85560), (1860, 66562), (2139, 57880), (2760, 44857), (2852, 43410), (2894, 42780), (3565, 34728), (3720, 33281), (4278, 28940), (4341, 28520), (5704, 21705), (5788, 21390), (7130, 17364), (7235, 17112), (8556, 14470), (8682, 14260), (10695, 11576)]