128438730

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{67957}}^1$

素因数の和:67980

約数の個数: 64

約数和(自身を含む): 391438080

約数和(自身を除く): 262999350

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 90, 105, 126, 135, 189, 210, 270, 315, 378, 630, 945, 1890, 67957, 135914, 203871, 339785, 407742, 475699, 611613, 679570, 951398, 1019355, 1223226, 1427097, 1834839, 2038710, 2378495, 2854194, 3058065, 3669678, 4281291, 4756990, 6116130, 7135485, 8562582, 9174195, 12843873, 14270970, 18348390, 21406455, 25687746, 42812910, 64219365, 128438730]

約数ペア:

[(1, 128438730), (2, 64219365), (3, 42812910), (5, 25687746), (6, 21406455), (7, 18348390), (9, 14270970), (10, 12843873), (14, 9174195), (15, 8562582), (18, 7135485), (21, 6116130), (27, 4756990), (30, 4281291), (35, 3669678), (42, 3058065), (45, 2854194), (54, 2378495), (63, 2038710), (70, 1834839), (90, 1427097), (105, 1223226), (126, 1019355), (135, 951398), (189, 679570), (210, 611613), (270, 475699), (315, 407742), (378, 339785), (630, 203871), (945, 135914), (1890, 67957)]