78563940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{14389}}^1$

素因数の和:14421

約数の個数: 96

約数和(自身を含む): 270762240

約数和(自身を除く): 192198300

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 52, 60, 65, 70, 78, 84, 91, 105, 130, 140, 156, 182, 195, 210, 260, 273, 364, 390, 420, 455, 546, 780, 910, 1092, 1365, 1820, 2730, 5460, 14389, 28778, 43167, 57556, 71945, 86334, 100723, 143890, 172668, 187057, 201446, 215835, 287780, 302169, 374114, 402892, 431670, 503615, 561171, 604338, 748228, 863340, 935285, 1007230, 1122342, 1208676, 1309399, 1510845, 1870570, 2014460, 2244684, 2618798, 2805855, 3021690, 3741140, 3928197, 5237596, 5611710, 6043380, 6546995, 7856394, 11223420, 13093990, 15712788, 19640985, 26187980, 39281970, 78563940]

約数ペア:

[(1, 78563940), (2, 39281970), (3, 26187980), (4, 19640985), (5, 15712788), (6, 13093990), (7, 11223420), (10, 7856394), (12, 6546995), (13, 6043380), (14, 5611710), (15, 5237596), (20, 3928197), (21, 3741140), (26, 3021690), (28, 2805855), (30, 2618798), (35, 2244684), (39, 2014460), (42, 1870570), (52, 1510845), (60, 1309399), (65, 1208676), (70, 1122342), (78, 1007230), (84, 935285), (91, 863340), (105, 748228), (130, 604338), (140, 561171), (156, 503615), (182, 431670), (195, 402892), (210, 374114), (260, 302169), (273, 287780), (364, 215835), (390, 201446), (420, 187057), (455, 172668), (546, 143890), (780, 100723), (910, 86334), (1092, 71945), (1365, 57556), (1820, 43167), (2730, 28778), (5460, 14389)]