80159940

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{563}}^1$

素因数の和:698

約数の個数: 144

約数和(自身を含む): 280844928

約数和(自身を除く): 200684988

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 113, 126, 140, 180, 210, 226, 252, 315, 339, 420, 452, 563, 565, 630, 678, 791, 1017, 1126, 1130, 1260, 1356, 1582, 1689, 1695, 2034, 2252, 2260, 2373, 2815, 3164, 3378, 3390, 3941, 3955, 4068, 4746, 5067, 5085, 5630, 6756, 6780, 7119, 7882, 7910, 8445, 9492, 10134, 10170, 11260, 11823, 11865, 14238, 15764, 15820, 16890, 19705, 20268, 20340, 23646, 23730, 25335, 28476, 33780, 35469, 35595, 39410, 47292, 47460, 50670, 59115, 63619, 70938, 71190, 78820, 101340, 118230, 127238, 141876, 142380, 177345, 190857, 236460, 254476, 318095, 354690, 381714, 445333, 572571, 636190, 709380, 763428, 890666, 954285, 1145142, 1272380, 1335999, 1781332, 1908570, 2226665, 2290284, 2671998, 2862855, 3817140, 4007997, 4453330, 5343996, 5725710, 6679995, 8015994, 8906660, 11451420, 13359990, 16031988, 20039985, 26719980, 40079970, 80159940]

約数ペア:

[(1, 80159940), (2, 40079970), (3, 26719980), (4, 20039985), (5, 16031988), (6, 13359990), (7, 11451420), (9, 8906660), (10, 8015994), (12, 6679995), (14, 5725710), (15, 5343996), (18, 4453330), (20, 4007997), (21, 3817140), (28, 2862855), (30, 2671998), (35, 2290284), (36, 2226665), (42, 1908570), (45, 1781332), (60, 1335999), (63, 1272380), (70, 1145142), (84, 954285), (90, 890666), (105, 763428), (113, 709380), (126, 636190), (140, 572571), (180, 445333), (210, 381714), (226, 354690), (252, 318095), (315, 254476), (339, 236460), (420, 190857), (452, 177345), (563, 142380), (565, 141876), (630, 127238), (678, 118230), (791, 101340), (1017, 78820), (1126, 71190), (1130, 70938), (1260, 63619), (1356, 59115), (1582, 50670), (1689, 47460), (1695, 47292), (2034, 39410), (2252, 35595), (2260, 35469), (2373, 33780), (2815, 28476), (3164, 25335), (3378, 23730), (3390, 23646), (3941, 20340), (3955, 20268), (4068, 19705), (4746, 16890), (5067, 15820), (5085, 15764), (5630, 14238), (6756, 11865), (6780, 11823), (7119, 11260), (7882, 10170), (7910, 10134), (8445, 9492)]