128130860

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{631}}^1$

素因数の和:735

約数の個数: 96

約数和(自身を含む): 321076224

約数和(自身を除く): 192945364

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 71, 110, 130, 142, 143, 220, 260, 284, 286, 355, 572, 631, 710, 715, 781, 923, 1262, 1420, 1430, 1562, 1846, 2524, 2860, 3124, 3155, 3692, 3905, 4615, 6310, 6941, 7810, 8203, 9230, 10153, 12620, 13882, 15620, 16406, 18460, 20306, 27764, 32812, 34705, 40612, 41015, 44801, 50765, 69410, 82030, 89602, 90233, 101530, 138820, 164060, 179204, 180466, 203060, 224005, 360932, 448010, 451165, 492811, 582413, 896020, 902330, 985622, 1164826, 1804660, 1971244, 2329652, 2464055, 2912065, 4928110, 5824130, 6406543, 9856220, 11648260, 12813086, 25626172, 32032715, 64065430, 128130860]

約数ペア:

[(1, 128130860), (2, 64065430), (4, 32032715), (5, 25626172), (10, 12813086), (11, 11648260), (13, 9856220), (20, 6406543), (22, 5824130), (26, 4928110), (44, 2912065), (52, 2464055), (55, 2329652), (65, 1971244), (71, 1804660), (110, 1164826), (130, 985622), (142, 902330), (143, 896020), (220, 582413), (260, 492811), (284, 451165), (286, 448010), (355, 360932), (572, 224005), (631, 203060), (710, 180466), (715, 179204), (781, 164060), (923, 138820), (1262, 101530), (1420, 90233), (1430, 89602), (1562, 82030), (1846, 69410), (2524, 50765), (2860, 44801), (3124, 41015), (3155, 40612), (3692, 34705), (3905, 32812), (4615, 27764), (6310, 20306), (6941, 18460), (7810, 16406), (8203, 15620), (9230, 13882), (10153, 12620)]