39979920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{239}}^1$

素因数の和:313

約数の個数: 160

約数和(自身を含む): 134991360

約数和(自身を除く): 95011440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 34, 40, 41, 48, 51, 60, 68, 80, 82, 85, 102, 120, 123, 136, 164, 170, 204, 205, 239, 240, 246, 255, 272, 328, 340, 408, 410, 478, 492, 510, 615, 656, 680, 697, 717, 816, 820, 956, 984, 1020, 1195, 1230, 1360, 1394, 1434, 1640, 1912, 1968, 2040, 2091, 2390, 2460, 2788, 2868, 3280, 3485, 3585, 3824, 4063, 4080, 4182, 4780, 4920, 5576, 5736, 6970, 7170, 8126, 8364, 9560, 9799, 9840, 10455, 11152, 11472, 12189, 13940, 14340, 16252, 16728, 19120, 19598, 20315, 20910, 24378, 27880, 28680, 29397, 32504, 33456, 39196, 40630, 41820, 48756, 48995, 55760, 57360, 58794, 60945, 65008, 78392, 81260, 83640, 97512, 97990, 117588, 121890, 146985, 156784, 162520, 166583, 167280, 195024, 195980, 235176, 243780, 293970, 325040, 333166, 391960, 470352, 487560, 499749, 587940, 666332, 783920, 832915, 975120, 999498, 1175880, 1332664, 1665830, 1998996, 2351760, 2498745, 2665328, 3331660, 3997992, 4997490, 6663320, 7995984, 9994980, 13326640, 19989960, 39979920]

約数ペア:

[(1, 39979920), (2, 19989960), (3, 13326640), (4, 9994980), (5, 7995984), (6, 6663320), (8, 4997490), (10, 3997992), (12, 3331660), (15, 2665328), (16, 2498745), (17, 2351760), (20, 1998996), (24, 1665830), (30, 1332664), (34, 1175880), (40, 999498), (41, 975120), (48, 832915), (51, 783920), (60, 666332), (68, 587940), (80, 499749), (82, 487560), (85, 470352), (102, 391960), (120, 333166), (123, 325040), (136, 293970), (164, 243780), (170, 235176), (204, 195980), (205, 195024), (239, 167280), (240, 166583), (246, 162520), (255, 156784), (272, 146985), (328, 121890), (340, 117588), (408, 97990), (410, 97512), (478, 83640), (492, 81260), (510, 78392), (615, 65008), (656, 60945), (680, 58794), (697, 57360), (717, 55760), (816, 48995), (820, 48756), (956, 41820), (984, 40630), (1020, 39196), (1195, 33456), (1230, 32504), (1360, 29397), (1394, 28680), (1434, 27880), (1640, 24378), (1912, 20910), (1968, 20315), (2040, 19598), (2091, 19120), (2390, 16728), (2460, 16252), (2788, 14340), (2868, 13940), (3280, 12189), (3485, 11472), (3585, 11152), (3824, 10455), (4063, 9840), (4080, 9799), (4182, 9560), (4780, 8364), (4920, 8126), (5576, 7170), (5736, 6970)]