320698720

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1$

素因数の和:189

約数の個数: 192

約数和(自身を含む): 853493760

約数和(自身を除く): 532795040

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 31, 32, 38, 40, 41, 62, 76, 80, 82, 83, 95, 124, 152, 155, 160, 164, 166, 190, 205, 248, 304, 310, 328, 332, 380, 410, 415, 496, 589, 608, 620, 656, 664, 760, 779, 820, 830, 992, 1178, 1240, 1271, 1312, 1328, 1520, 1558, 1577, 1640, 1660, 2356, 2480, 2542, 2573, 2656, 2945, 3040, 3116, 3154, 3280, 3320, 3403, 3895, 4712, 4960, 5084, 5146, 5890, 6232, 6308, 6355, 6560, 6640, 6806, 7790, 7885, 9424, 10168, 10292, 11780, 12464, 12616, 12710, 12865, 13280, 13612, 15580, 15770, 17015, 18848, 20336, 20584, 23560, 24149, 24928, 25232, 25420, 25730, 27224, 31160, 31540, 34030, 40672, 41168, 47120, 48298, 48887, 50464, 50840, 51460, 54448, 62320, 63080, 64657, 68060, 82336, 94240, 96596, 97774, 101680, 102920, 105493, 108896, 120745, 124640, 126160, 129314, 136120, 193192, 195548, 203360, 205840, 210986, 241490, 244435, 252320, 258628, 272240, 323285, 386384, 391096, 411680, 421972, 482980, 488870, 517256, 527465, 544480, 646570, 772768, 782192, 843944, 965960, 977740, 1034512, 1054930, 1293140, 1564384, 1687888, 1931920, 1955480, 2004367, 2069024, 2109860, 2586280, 3375776, 3863840, 3910960, 4008734, 4219720, 5172560, 7821920, 8017468, 8439440, 10021835, 10345120, 16034936, 16878880, 20043670, 32069872, 40087340, 64139744, 80174680, 160349360, 320698720]

約数ペア:

[(1, 320698720), (2, 160349360), (4, 80174680), (5, 64139744), (8, 40087340), (10, 32069872), (16, 20043670), (19, 16878880), (20, 16034936), (31, 10345120), (32, 10021835), (38, 8439440), (40, 8017468), (41, 7821920), (62, 5172560), (76, 4219720), (80, 4008734), (82, 3910960), (83, 3863840), (95, 3375776), (124, 2586280), (152, 2109860), (155, 2069024), (160, 2004367), (164, 1955480), (166, 1931920), (190, 1687888), (205, 1564384), (248, 1293140), (304, 1054930), (310, 1034512), (328, 977740), (332, 965960), (380, 843944), (410, 782192), (415, 772768), (496, 646570), (589, 544480), (608, 527465), (620, 517256), (656, 488870), (664, 482980), (760, 421972), (779, 411680), (820, 391096), (830, 386384), (992, 323285), (1178, 272240), (1240, 258628), (1271, 252320), (1312, 244435), (1328, 241490), (1520, 210986), (1558, 205840), (1577, 203360), (1640, 195548), (1660, 193192), (2356, 136120), (2480, 129314), (2542, 126160), (2573, 124640), (2656, 120745), (2945, 108896), (3040, 105493), (3116, 102920), (3154, 101680), (3280, 97774), (3320, 96596), (3403, 94240), (3895, 82336), (4712, 68060), (4960, 64657), (5084, 63080), (5146, 62320), (5890, 54448), (6232, 51460), (6308, 50840), (6355, 50464), (6560, 48887), (6640, 48298), (6806, 47120), (7790, 41168), (7885, 40672), (9424, 34030), (10168, 31540), (10292, 31160), (11780, 27224), (12464, 25730), (12616, 25420), (12710, 25232), (12865, 24928), (13280, 24149), (13612, 23560), (15580, 20584), (15770, 20336), (17015, 18848)]