1271660520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{47951}}^1$

素因数の和:47995

約数の個数: 128

約数和(自身を含む): 4350205440

約数和(自身を除く): 3078544920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 17, 20, 24, 26, 30, 34, 39, 40, 51, 52, 60, 65, 68, 78, 85, 102, 104, 120, 130, 136, 156, 170, 195, 204, 221, 255, 260, 312, 340, 390, 408, 442, 510, 520, 663, 680, 780, 884, 1020, 1105, 1326, 1560, 1768, 2040, 2210, 2652, 3315, 4420, 5304, 6630, 8840, 13260, 26520, 47951, 95902, 143853, 191804, 239755, 287706, 383608, 479510, 575412, 623363, 719265, 815167, 959020, 1150824, 1246726, 1438530, 1630334, 1870089, 1918040, 2445501, 2493452, 2877060, 3116815, 3260668, 3740178, 4075835, 4891002, 4986904, 5754120, 6233630, 6521336, 7480356, 8151670, 9350445, 9782004, 10597171, 12227505, 12467260, 14960712, 16303340, 18700890, 19564008, 21194342, 24455010, 24934520, 31791513, 32606680, 37401780, 42388684, 48910020, 52985855, 63583026, 74803560, 84777368, 97820040, 105971710, 127166052, 158957565, 211943420, 254332104, 317915130, 423886840, 635830260, 1271660520]

約数ペア:

[(1, 1271660520), (2, 635830260), (3, 423886840), (4, 317915130), (5, 254332104), (6, 211943420), (8, 158957565), (10, 127166052), (12, 105971710), (13, 97820040), (15, 84777368), (17, 74803560), (20, 63583026), (24, 52985855), (26, 48910020), (30, 42388684), (34, 37401780), (39, 32606680), (40, 31791513), (51, 24934520), (52, 24455010), (60, 21194342), (65, 19564008), (68, 18700890), (78, 16303340), (85, 14960712), (102, 12467260), (104, 12227505), (120, 10597171), (130, 9782004), (136, 9350445), (156, 8151670), (170, 7480356), (195, 6521336), (204, 6233630), (221, 5754120), (255, 4986904), (260, 4891002), (312, 4075835), (340, 3740178), (390, 3260668), (408, 3116815), (442, 2877060), (510, 2493452), (520, 2445501), (663, 1918040), (680, 1870089), (780, 1630334), (884, 1438530), (1020, 1246726), (1105, 1150824), (1326, 959020), (1560, 815167), (1768, 719265), (2040, 623363), (2210, 575412), (2652, 479510), (3315, 383608), (4420, 287706), (5304, 239755), (6630, 191804), (8840, 143853), (13260, 95902), (26520, 47951)]