1915801680

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{677}}^1\times {\mathrm{907}}^1$

素因数の和:1613

約数の個数: 160

約数和(自身を含む): 6412339584

約数和(自身を除く): 4496537904

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 240, 260, 312, 390, 520, 624, 677, 780, 907, 1040, 1354, 1560, 1814, 2031, 2708, 2721, 3120, 3385, 3628, 4062, 4535, 5416, 5442, 6770, 7256, 8124, 8801, 9070, 10155, 10832, 10884, 11791, 13540, 13605, 14512, 16248, 17602, 18140, 20310, 21768, 23582, 26403, 27080, 27210, 32496, 35204, 35373, 36280, 40620, 43536, 44005, 47164, 52806, 54160, 54420, 58955, 70408, 70746, 72560, 81240, 88010, 94328, 105612, 108840, 117910, 132015, 140816, 141492, 162480, 176020, 176865, 188656, 211224, 217680, 235820, 264030, 282984, 352040, 353730, 422448, 471640, 528060, 565968, 614039, 704080, 707460, 943280, 1056120, 1228078, 1414920, 1842117, 2112240, 2456156, 2829840, 3070195, 3684234, 4912312, 6140390, 7368468, 7982507, 9210585, 9824624, 12280780, 14736936, 15965014, 18421170, 23947521, 24561560, 29473872, 31930028, 36842340, 39912535, 47895042, 49123120, 63860056, 73684680, 79825070, 95790084, 119737605, 127720112, 147369360, 159650140, 191580168, 239475210, 319300280, 383160336, 478950420, 638600560, 957900840, 1915801680]

約数ペア:

[(1, 1915801680), (2, 957900840), (3, 638600560), (4, 478950420), (5, 383160336), (6, 319300280), (8, 239475210), (10, 191580168), (12, 159650140), (13, 147369360), (15, 127720112), (16, 119737605), (20, 95790084), (24, 79825070), (26, 73684680), (30, 63860056), (39, 49123120), (40, 47895042), (48, 39912535), (52, 36842340), (60, 31930028), (65, 29473872), (78, 24561560), (80, 23947521), (104, 18421170), (120, 15965014), (130, 14736936), (156, 12280780), (195, 9824624), (208, 9210585), (240, 7982507), (260, 7368468), (312, 6140390), (390, 4912312), (520, 3684234), (624, 3070195), (677, 2829840), (780, 2456156), (907, 2112240), (1040, 1842117), (1354, 1414920), (1560, 1228078), (1814, 1056120), (2031, 943280), (2708, 707460), (2721, 704080), (3120, 614039), (3385, 565968), (3628, 528060), (4062, 471640), (4535, 422448), (5416, 353730), (5442, 352040), (6770, 282984), (7256, 264030), (8124, 235820), (8801, 217680), (9070, 211224), (10155, 188656), (10832, 176865), (10884, 176020), (11791, 162480), (13540, 141492), (13605, 140816), (14512, 132015), (16248, 117910), (17602, 108840), (18140, 105612), (20310, 94328), (21768, 88010), (23582, 81240), (26403, 72560), (27080, 70746), (27210, 70408), (32496, 58955), (35204, 54420), (35373, 54160), (36280, 52806), (40620, 47164), (43536, 44005)]