1520689940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{9587}}^1$

素因数の和:9717

約数の個数: 96

約数和(自身を含む): 4020516864

約数和(自身を除く): 2499826924

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 103, 110, 140, 154, 206, 220, 308, 385, 412, 515, 721, 770, 1030, 1133, 1442, 1540, 2060, 2266, 2884, 3605, 4532, 5665, 7210, 7931, 9587, 11330, 14420, 15862, 19174, 22660, 31724, 38348, 39655, 47935, 67109, 79310, 95870, 105457, 134218, 158620, 191740, 210914, 268436, 335545, 421828, 527285, 671090, 738199, 987461, 1054570, 1342180, 1476398, 1974922, 2109140, 2952796, 3690995, 3949844, 4937305, 6912227, 7381990, 9874610, 10862071, 13824454, 14763980, 19749220, 21724142, 27648908, 34561135, 43448284, 54310355, 69122270, 76034497, 108620710, 138244540, 152068994, 217241420, 304137988, 380172485, 760344970, 1520689940]

約数ペア:

[(1, 1520689940), (2, 760344970), (4, 380172485), (5, 304137988), (7, 217241420), (10, 152068994), (11, 138244540), (14, 108620710), (20, 76034497), (22, 69122270), (28, 54310355), (35, 43448284), (44, 34561135), (55, 27648908), (70, 21724142), (77, 19749220), (103, 14763980), (110, 13824454), (140, 10862071), (154, 9874610), (206, 7381990), (220, 6912227), (308, 4937305), (385, 3949844), (412, 3690995), (515, 2952796), (721, 2109140), (770, 1974922), (1030, 1476398), (1133, 1342180), (1442, 1054570), (1540, 987461), (2060, 738199), (2266, 671090), (2884, 527285), (3605, 421828), (4532, 335545), (5665, 268436), (7210, 210914), (7931, 191740), (9587, 158620), (11330, 134218), (14420, 105457), (15862, 95870), (19174, 79310), (22660, 67109), (31724, 47935), (38348, 39655)]