123972840

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{431}}^1$

素因数の和:512

約数の個数: 192

約数和(自身を含む): 436700160

約数和(自身を除く): 312727320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 17, 18, 20, 24, 30, 34, 36, 40, 45, 47, 51, 60, 68, 72, 85, 90, 94, 102, 120, 136, 141, 153, 170, 180, 188, 204, 235, 255, 282, 306, 340, 360, 376, 408, 423, 431, 470, 510, 564, 612, 680, 705, 765, 799, 846, 862, 940, 1020, 1128, 1224, 1293, 1410, 1530, 1598, 1692, 1724, 1880, 2040, 2115, 2155, 2397, 2586, 2820, 3060, 3196, 3384, 3448, 3879, 3995, 4230, 4310, 4794, 5172, 5640, 6120, 6392, 6465, 7191, 7327, 7758, 7990, 8460, 8620, 9588, 10344, 11985, 12930, 14382, 14654, 15516, 15980, 16920, 17240, 19176, 19395, 20257, 21981, 23970, 25860, 28764, 29308, 31032, 31960, 35955, 36635, 38790, 40514, 43962, 47940, 51720, 57528, 58616, 60771, 65943, 71910, 73270, 77580, 81028, 87924, 95880, 101285, 109905, 121542, 131886, 143820, 146540, 155160, 162056, 175848, 182313, 202570, 219810, 243084, 263772, 287640, 293080, 303855, 329715, 344369, 364626, 405140, 439620, 486168, 527544, 607710, 659430, 688738, 729252, 810280, 879240, 911565, 1033107, 1215420, 1318860, 1377476, 1458504, 1721845, 1823130, 2066214, 2430840, 2637720, 2754952, 3099321, 3443690, 3646260, 4132428, 5165535, 6198642, 6887380, 7292520, 8264856, 10331070, 12397284, 13774760, 15496605, 20662140, 24794568, 30993210, 41324280, 61986420, 123972840]

約数ペア:

[(1, 123972840), (2, 61986420), (3, 41324280), (4, 30993210), (5, 24794568), (6, 20662140), (8, 15496605), (9, 13774760), (10, 12397284), (12, 10331070), (15, 8264856), (17, 7292520), (18, 6887380), (20, 6198642), (24, 5165535), (30, 4132428), (34, 3646260), (36, 3443690), (40, 3099321), (45, 2754952), (47, 2637720), (51, 2430840), (60, 2066214), (68, 1823130), (72, 1721845), (85, 1458504), (90, 1377476), (94, 1318860), (102, 1215420), (120, 1033107), (136, 911565), (141, 879240), (153, 810280), (170, 729252), (180, 688738), (188, 659430), (204, 607710), (235, 527544), (255, 486168), (282, 439620), (306, 405140), (340, 364626), (360, 344369), (376, 329715), (408, 303855), (423, 293080), (431, 287640), (470, 263772), (510, 243084), (564, 219810), (612, 202570), (680, 182313), (705, 175848), (765, 162056), (799, 155160), (846, 146540), (862, 143820), (940, 131886), (1020, 121542), (1128, 109905), (1224, 101285), (1293, 95880), (1410, 87924), (1530, 81028), (1598, 77580), (1692, 73270), (1724, 71910), (1880, 65943), (2040, 60771), (2115, 58616), (2155, 57528), (2397, 51720), (2586, 47940), (2820, 43962), (3060, 40514), (3196, 38790), (3384, 36635), (3448, 35955), (3879, 31960), (3995, 31032), (4230, 29308), (4310, 28764), (4794, 25860), (5172, 23970), (5640, 21981), (6120, 20257), (6392, 19395), (6465, 19176), (7191, 17240), (7327, 16920), (7758, 15980), (7990, 15516), (8460, 14654), (8620, 14382), (9588, 12930), (10344, 11985)]