165280479560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{281}}^1\times {\mathrm{23603}}^1$

素因数の和:23991

約数の個数: 128

約数和(自身を含む): 431330054400

約数和(自身を除く): 266049574840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 89, 140, 178, 280, 281, 356, 445, 562, 623, 712, 890, 1124, 1246, 1405, 1780, 1967, 2248, 2492, 2810, 3115, 3560, 3934, 4984, 5620, 6230, 7868, 9835, 11240, 12460, 15736, 19670, 23603, 24920, 25009, 39340, 47206, 50018, 78680, 94412, 100036, 118015, 125045, 165221, 175063, 188824, 200072, 236030, 250090, 330442, 350126, 472060, 500180, 660884, 700252, 826105, 875315, 944120, 1000360, 1321768, 1400504, 1652210, 1750630, 2100667, 3304420, 3501260, 4201334, 6608840, 6632443, 7002520, 8402668, 10503335, 13264886, 14704669, 16805336, 21006670, 26529772, 29409338, 33162215, 42013340, 46427101, 53059544, 58818676, 66324430, 73523345, 84026680, 92854202, 117637352, 132648860, 147046690, 185708404, 232135505, 265297720, 294093380, 371416808, 464271010, 588186760, 590287427, 928542020, 1180574854, 1857084040, 2361149708, 2951437135, 4132011989, 4722299416, 5902874270, 8264023978, 11805748540, 16528047956, 20660059945, 23611497080, 33056095912, 41320119890, 82640239780, 165280479560]

約数ペア:

[(1, 165280479560), (2, 82640239780), (4, 41320119890), (5, 33056095912), (7, 23611497080), (8, 20660059945), (10, 16528047956), (14, 11805748540), (20, 8264023978), (28, 5902874270), (35, 4722299416), (40, 4132011989), (56, 2951437135), (70, 2361149708), (89, 1857084040), (140, 1180574854), (178, 928542020), (280, 590287427), (281, 588186760), (356, 464271010), (445, 371416808), (562, 294093380), (623, 265297720), (712, 232135505), (890, 185708404), (1124, 147046690), (1246, 132648860), (1405, 117637352), (1780, 92854202), (1967, 84026680), (2248, 73523345), (2492, 66324430), (2810, 58818676), (3115, 53059544), (3560, 46427101), (3934, 42013340), (4984, 33162215), (5620, 29409338), (6230, 26529772), (7868, 21006670), (9835, 16805336), (11240, 14704669), (12460, 13264886), (15736, 10503335), (19670, 8402668), (23603, 7002520), (24920, 6632443), (25009, 6608840), (39340, 4201334), (47206, 3501260), (50018, 3304420), (78680, 2100667), (94412, 1750630), (100036, 1652210), (118015, 1400504), (125045, 1321768), (165221, 1000360), (175063, 944120), (188824, 875315), (200072, 826105), (236030, 700252), (250090, 660884), (330442, 500180), (350126, 472060)]