205797840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{199}}^1$

素因数の和:385

約数の個数: 160

約数和(自身を含む): 666624000

約数和(自身を除く): 460826160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 40, 48, 60, 62, 80, 93, 120, 124, 139, 155, 186, 199, 240, 248, 278, 310, 372, 398, 417, 465, 496, 556, 597, 620, 695, 744, 796, 834, 930, 995, 1112, 1194, 1240, 1390, 1488, 1592, 1668, 1860, 1990, 2085, 2224, 2388, 2480, 2780, 2985, 3184, 3336, 3720, 3980, 4170, 4309, 4776, 5560, 5970, 6169, 6672, 7440, 7960, 8340, 8618, 9552, 11120, 11940, 12338, 12927, 15920, 16680, 17236, 18507, 21545, 23880, 24676, 25854, 27661, 30845, 33360, 34472, 37014, 43090, 47760, 49352, 51708, 55322, 61690, 64635, 68944, 74028, 82983, 86180, 92535, 98704, 103416, 110644, 123380, 129270, 138305, 148056, 165966, 172360, 185070, 206832, 221288, 246760, 258540, 276610, 296112, 331932, 344720, 370140, 414915, 442576, 493520, 517080, 553220, 663864, 740280, 829830, 857491, 1034160, 1106440, 1327728, 1480560, 1659660, 1714982, 2212880, 2572473, 3319320, 3429964, 4287455, 5144946, 6638640, 6859928, 8574910, 10289892, 12862365, 13719856, 17149820, 20579784, 25724730, 34299640, 41159568, 51449460, 68599280, 102898920, 205797840]

約数ペア:

[(1, 205797840), (2, 102898920), (3, 68599280), (4, 51449460), (5, 41159568), (6, 34299640), (8, 25724730), (10, 20579784), (12, 17149820), (15, 13719856), (16, 12862365), (20, 10289892), (24, 8574910), (30, 6859928), (31, 6638640), (40, 5144946), (48, 4287455), (60, 3429964), (62, 3319320), (80, 2572473), (93, 2212880), (120, 1714982), (124, 1659660), (139, 1480560), (155, 1327728), (186, 1106440), (199, 1034160), (240, 857491), (248, 829830), (278, 740280), (310, 663864), (372, 553220), (398, 517080), (417, 493520), (465, 442576), (496, 414915), (556, 370140), (597, 344720), (620, 331932), (695, 296112), (744, 276610), (796, 258540), (834, 246760), (930, 221288), (995, 206832), (1112, 185070), (1194, 172360), (1240, 165966), (1390, 148056), (1488, 138305), (1592, 129270), (1668, 123380), (1860, 110644), (1990, 103416), (2085, 98704), (2224, 92535), (2388, 86180), (2480, 82983), (2780, 74028), (2985, 68944), (3184, 64635), (3336, 61690), (3720, 55322), (3980, 51708), (4170, 49352), (4309, 47760), (4776, 43090), (5560, 37014), (5970, 34472), (6169, 33360), (6672, 30845), (7440, 27661), (7960, 25854), (8340, 24676), (8618, 23880), (9552, 21545), (11120, 18507), (11940, 17236), (12338, 16680), (12927, 15920)]