86915920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{11939}}^1$

素因数の和:11972

約数の個数: 80

約数和(自身を含む): 248734080

約数和(自身を除く): 161818160

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 182, 208, 260, 280, 364, 455, 520, 560, 728, 910, 1040, 1456, 1820, 3640, 7280, 11939, 23878, 47756, 59695, 83573, 95512, 119390, 155207, 167146, 191024, 238780, 310414, 334292, 417865, 477560, 620828, 668584, 776035, 835730, 955120, 1086449, 1241656, 1337168, 1552070, 1671460, 2172898, 2483312, 3104140, 3342920, 4345796, 5432245, 6208280, 6685840, 8691592, 10864490, 12416560, 17383184, 21728980, 43457960, 86915920]

約数ペア:

[(1, 86915920), (2, 43457960), (4, 21728980), (5, 17383184), (7, 12416560), (8, 10864490), (10, 8691592), (13, 6685840), (14, 6208280), (16, 5432245), (20, 4345796), (26, 3342920), (28, 3104140), (35, 2483312), (40, 2172898), (52, 1671460), (56, 1552070), (65, 1337168), (70, 1241656), (80, 1086449), (91, 955120), (104, 835730), (112, 776035), (130, 668584), (140, 620828), (182, 477560), (208, 417865), (260, 334292), (280, 310414), (364, 238780), (455, 191024), (520, 167146), (560, 155207), (728, 119390), (910, 95512), (1040, 83573), (1456, 59695), (1820, 47756), (3640, 23878), (7280, 11939)]