144743440

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{1499}}^1$

素因数の和:1600

約数の個数: 80

約数和(自身を含む): 361584000

約数和(自身を除く): 216840560

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 71, 80, 85, 136, 142, 170, 272, 284, 340, 355, 568, 680, 710, 1136, 1207, 1360, 1420, 1499, 2414, 2840, 2998, 4828, 5680, 5996, 6035, 7495, 9656, 11992, 12070, 14990, 19312, 23984, 24140, 25483, 29980, 48280, 50966, 59960, 96560, 101932, 106429, 119920, 127415, 203864, 212858, 254830, 407728, 425716, 509660, 532145, 851432, 1019320, 1064290, 1702864, 1809293, 2038640, 2128580, 3618586, 4257160, 7237172, 8514320, 9046465, 14474344, 18092930, 28948688, 36185860, 72371720, 144743440]

約数ペア:

[(1, 144743440), (2, 72371720), (4, 36185860), (5, 28948688), (8, 18092930), (10, 14474344), (16, 9046465), (17, 8514320), (20, 7237172), (34, 4257160), (40, 3618586), (68, 2128580), (71, 2038640), (80, 1809293), (85, 1702864), (136, 1064290), (142, 1019320), (170, 851432), (272, 532145), (284, 509660), (340, 425716), (355, 407728), (568, 254830), (680, 212858), (710, 203864), (1136, 127415), (1207, 119920), (1360, 106429), (1420, 101932), (1499, 96560), (2414, 59960), (2840, 50966), (2998, 48280), (4828, 29980), (5680, 25483), (5996, 24140), (6035, 23984), (7495, 19312), (9656, 14990), (11992, 12070)]