8237320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1$

素因数の和:135

約数の個数: 128

約数和(自身を含む): 23869440

約数和(自身を除く): 15632120

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 31, 35, 40, 52, 56, 62, 65, 70, 73, 91, 104, 124, 130, 140, 146, 155, 182, 217, 248, 260, 280, 292, 310, 364, 365, 403, 434, 455, 511, 520, 584, 620, 728, 730, 806, 868, 910, 949, 1022, 1085, 1240, 1460, 1612, 1736, 1820, 1898, 2015, 2044, 2170, 2263, 2555, 2821, 2920, 3224, 3640, 3796, 4030, 4088, 4340, 4526, 4745, 5110, 5642, 6643, 7592, 8060, 8680, 9052, 9490, 10220, 11284, 11315, 13286, 14105, 15841, 16120, 18104, 18980, 20440, 22568, 22630, 26572, 28210, 29419, 31682, 33215, 37960, 45260, 53144, 56420, 58838, 63364, 66430, 79205, 90520, 112840, 117676, 126728, 132860, 147095, 158410, 205933, 235352, 265720, 294190, 316820, 411866, 588380, 633640, 823732, 1029665, 1176760, 1647464, 2059330, 4118660, 8237320]

約数ペア:

[(1, 8237320), (2, 4118660), (4, 2059330), (5, 1647464), (7, 1176760), (8, 1029665), (10, 823732), (13, 633640), (14, 588380), (20, 411866), (26, 316820), (28, 294190), (31, 265720), (35, 235352), (40, 205933), (52, 158410), (56, 147095), (62, 132860), (65, 126728), (70, 117676), (73, 112840), (91, 90520), (104, 79205), (124, 66430), (130, 63364), (140, 58838), (146, 56420), (155, 53144), (182, 45260), (217, 37960), (248, 33215), (260, 31682), (280, 29419), (292, 28210), (310, 26572), (364, 22630), (365, 22568), (403, 20440), (434, 18980), (455, 18104), (511, 16120), (520, 15841), (584, 14105), (620, 13286), (728, 11315), (730, 11284), (806, 10220), (868, 9490), (910, 9052), (949, 8680), (1022, 8060), (1085, 7592), (1240, 6643), (1460, 5642), (1612, 5110), (1736, 4745), (1820, 4526), (1898, 4340), (2015, 4088), (2044, 4030), (2170, 3796), (2263, 3640), (2555, 3224), (2821, 2920)]