157538430

素因数分解:

$2^1\times 3^2\times 5^1\times 7^2\times {\mathrm{139}}^1\times {\mathrm{257}}^1$

素因数の和:423

約数の個数: 144

約数和(自身を含む): 481768560

約数和(自身を除く): 324230130

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 49, 63, 70, 90, 98, 105, 126, 139, 147, 210, 245, 257, 278, 294, 315, 417, 441, 490, 514, 630, 695, 735, 771, 834, 882, 973, 1251, 1285, 1390, 1470, 1542, 1799, 1946, 2085, 2205, 2313, 2502, 2570, 2919, 3598, 3855, 4170, 4410, 4626, 4865, 5397, 5838, 6255, 6811, 7710, 8757, 8995, 9730, 10794, 11565, 12510, 12593, 13622, 14595, 16191, 17514, 17990, 20433, 23130, 25186, 26985, 29190, 32382, 34055, 35723, 37779, 40866, 43785, 53970, 61299, 62965, 68110, 71446, 75558, 80955, 87570, 102165, 107169, 113337, 122598, 125930, 161910, 178615, 188895, 204330, 214338, 226674, 250061, 306495, 321507, 357230, 377790, 500122, 535845, 566685, 612990, 643014, 750183, 1071690, 1133370, 1250305, 1500366, 1607535, 1750427, 2250549, 2500610, 3215070, 3500854, 3750915, 4501098, 5251281, 7501830, 8752135, 10502562, 11252745, 15753843, 17504270, 22505490, 26256405, 31507686, 52512810, 78769215, 157538430]

約数ペア:

[(1, 157538430), (2, 78769215), (3, 52512810), (5, 31507686), (6, 26256405), (7, 22505490), (9, 17504270), (10, 15753843), (14, 11252745), (15, 10502562), (18, 8752135), (21, 7501830), (30, 5251281), (35, 4501098), (42, 3750915), (45, 3500854), (49, 3215070), (63, 2500610), (70, 2250549), (90, 1750427), (98, 1607535), (105, 1500366), (126, 1250305), (139, 1133370), (147, 1071690), (210, 750183), (245, 643014), (257, 612990), (278, 566685), (294, 535845), (315, 500122), (417, 377790), (441, 357230), (490, 321507), (514, 306495), (630, 250061), (695, 226674), (735, 214338), (771, 204330), (834, 188895), (882, 178615), (973, 161910), (1251, 125930), (1285, 122598), (1390, 113337), (1470, 107169), (1542, 102165), (1799, 87570), (1946, 80955), (2085, 75558), (2205, 71446), (2313, 68110), (2502, 62965), (2570, 61299), (2919, 53970), (3598, 43785), (3855, 40866), (4170, 37779), (4410, 35723), (4626, 34055), (4865, 32382), (5397, 29190), (5838, 26985), (6255, 25186), (6811, 23130), (7710, 20433), (8757, 17990), (8995, 17514), (9730, 16191), (10794, 14595), (11565, 13622), (12510, 12593)]