158995620

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{257}}^1\times {\mathrm{491}}^1$

素因数の和:770

約数の個数: 144

約数和(自身を含む): 554456448

約数和(自身を除く): 395460828

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, 126, 140, 180, 210, 252, 257, 315, 420, 491, 514, 630, 771, 982, 1028, 1260, 1285, 1473, 1542, 1799, 1964, 2313, 2455, 2570, 2946, 3084, 3437, 3598, 3855, 4419, 4626, 4910, 5140, 5397, 5892, 6874, 7196, 7365, 7710, 8838, 8995, 9252, 9820, 10311, 10794, 11565, 13748, 14730, 15420, 16191, 17185, 17676, 17990, 20622, 21588, 22095, 23130, 26985, 29460, 30933, 32382, 34370, 35980, 41244, 44190, 46260, 51555, 53970, 61866, 64764, 68740, 80955, 88380, 103110, 107940, 123732, 126187, 154665, 161910, 206220, 252374, 309330, 323820, 378561, 504748, 618660, 630935, 757122, 883309, 1135683, 1261870, 1514244, 1766618, 1892805, 2271366, 2523740, 2649927, 3533236, 3785610, 4416545, 4542732, 5299854, 5678415, 7571220, 7949781, 8833090, 10599708, 11356830, 13249635, 15899562, 17666180, 22713660, 26499270, 31799124, 39748905, 52998540, 79497810, 158995620]

約数ペア:

[(1, 158995620), (2, 79497810), (3, 52998540), (4, 39748905), (5, 31799124), (6, 26499270), (7, 22713660), (9, 17666180), (10, 15899562), (12, 13249635), (14, 11356830), (15, 10599708), (18, 8833090), (20, 7949781), (21, 7571220), (28, 5678415), (30, 5299854), (35, 4542732), (36, 4416545), (42, 3785610), (45, 3533236), (60, 2649927), (63, 2523740), (70, 2271366), (84, 1892805), (90, 1766618), (105, 1514244), (126, 1261870), (140, 1135683), (180, 883309), (210, 757122), (252, 630935), (257, 618660), (315, 504748), (420, 378561), (491, 323820), (514, 309330), (630, 252374), (771, 206220), (982, 161910), (1028, 154665), (1260, 126187), (1285, 123732), (1473, 107940), (1542, 103110), (1799, 88380), (1964, 80955), (2313, 68740), (2455, 64764), (2570, 61866), (2946, 53970), (3084, 51555), (3437, 46260), (3598, 44190), (3855, 41244), (4419, 35980), (4626, 34370), (4910, 32382), (5140, 30933), (5397, 29460), (5892, 26985), (6874, 23130), (7196, 22095), (7365, 21588), (7710, 20622), (8838, 17990), (8995, 17676), (9252, 17185), (9820, 16191), (10311, 15420), (10794, 14730), (11565, 13748)]