157958920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{193}}^1$

素因数の和:327

約数の個数: 128

約数和(自身を含む): 424627200

約数和(自身を除く): 266668280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 37, 40, 56, 70, 74, 79, 140, 148, 158, 185, 193, 259, 280, 296, 316, 370, 386, 395, 518, 553, 632, 740, 772, 790, 965, 1036, 1106, 1295, 1351, 1480, 1544, 1580, 1930, 2072, 2212, 2590, 2702, 2765, 2923, 3160, 3860, 4424, 5180, 5404, 5530, 5846, 6755, 7141, 7720, 10360, 10808, 11060, 11692, 13510, 14282, 14615, 15247, 20461, 22120, 23384, 27020, 28564, 29230, 30494, 35705, 40922, 49987, 54040, 57128, 58460, 60988, 71410, 76235, 81844, 99974, 102305, 106729, 116920, 121976, 142820, 152470, 163688, 199948, 204610, 213458, 249935, 285640, 304940, 399896, 409220, 426916, 499870, 533645, 564139, 609880, 818440, 853832, 999740, 1067290, 1128278, 1999480, 2134580, 2256556, 2820695, 3948973, 4269160, 4513112, 5641390, 7897946, 11282780, 15795892, 19744865, 22565560, 31591784, 39489730, 78979460, 157958920]

約数ペア:

[(1, 157958920), (2, 78979460), (4, 39489730), (5, 31591784), (7, 22565560), (8, 19744865), (10, 15795892), (14, 11282780), (20, 7897946), (28, 5641390), (35, 4513112), (37, 4269160), (40, 3948973), (56, 2820695), (70, 2256556), (74, 2134580), (79, 1999480), (140, 1128278), (148, 1067290), (158, 999740), (185, 853832), (193, 818440), (259, 609880), (280, 564139), (296, 533645), (316, 499870), (370, 426916), (386, 409220), (395, 399896), (518, 304940), (553, 285640), (632, 249935), (740, 213458), (772, 204610), (790, 199948), (965, 163688), (1036, 152470), (1106, 142820), (1295, 121976), (1351, 116920), (1480, 106729), (1544, 102305), (1580, 99974), (1930, 81844), (2072, 76235), (2212, 71410), (2590, 60988), (2702, 58460), (2765, 57128), (2923, 54040), (3160, 49987), (3860, 40922), (4424, 35705), (5180, 30494), (5404, 29230), (5530, 28564), (5846, 27020), (6755, 23384), (7141, 22120), (7720, 20461), (10360, 15247), (10808, 14615), (11060, 14282), (11692, 13510)]