128518460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{101}}^1\times {\mathrm{149}}^1$

素因数の和:327

約数の個数: 96

約数和(自身を含む): 318729600

約数和(自身を除く): 190211140

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 61, 70, 101, 122, 140, 149, 202, 244, 298, 305, 404, 427, 505, 596, 610, 707, 745, 854, 1010, 1043, 1220, 1414, 1490, 1708, 2020, 2086, 2135, 2828, 2980, 3535, 4172, 4270, 5215, 6161, 7070, 8540, 9089, 10430, 12322, 14140, 15049, 18178, 20860, 24644, 30098, 30805, 36356, 43127, 45445, 60196, 61610, 63623, 75245, 86254, 90890, 105343, 123220, 127246, 150490, 172508, 181780, 210686, 215635, 254492, 300980, 318115, 421372, 431270, 526715, 636230, 862540, 917989, 1053430, 1272460, 1835978, 2106860, 3671956, 4589945, 6425923, 9179890, 12851846, 18359780, 25703692, 32129615, 64259230, 128518460]

約数ペア:

[(1, 128518460), (2, 64259230), (4, 32129615), (5, 25703692), (7, 18359780), (10, 12851846), (14, 9179890), (20, 6425923), (28, 4589945), (35, 3671956), (61, 2106860), (70, 1835978), (101, 1272460), (122, 1053430), (140, 917989), (149, 862540), (202, 636230), (244, 526715), (298, 431270), (305, 421372), (404, 318115), (427, 300980), (505, 254492), (596, 215635), (610, 210686), (707, 181780), (745, 172508), (854, 150490), (1010, 127246), (1043, 123220), (1220, 105343), (1414, 90890), (1490, 86254), (1708, 75245), (2020, 63623), (2086, 61610), (2135, 60196), (2828, 45445), (2980, 43127), (3535, 36356), (4172, 30805), (4270, 30098), (5215, 24644), (6161, 20860), (7070, 18178), (8540, 15049), (9089, 14140), (10430, 12322)]