78351520

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{271}}^1$

素因数の和:438

約数の個数: 96

約数和(自身を含む): 201519360

約数和(自身を除く): 123167840

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 139, 160, 208, 260, 271, 278, 416, 520, 542, 556, 695, 1040, 1084, 1112, 1355, 1390, 1807, 2080, 2168, 2224, 2710, 2780, 3523, 3614, 4336, 4448, 5420, 5560, 7046, 7228, 8672, 9035, 10840, 11120, 14092, 14456, 17615, 18070, 21680, 22240, 28184, 28912, 35230, 36140, 37669, 43360, 56368, 57824, 70460, 72280, 75338, 112736, 140920, 144560, 150676, 188345, 281840, 289120, 301352, 376690, 489697, 563680, 602704, 753380, 979394, 1205408, 1506760, 1958788, 2448485, 3013520, 3917576, 4896970, 6027040, 7835152, 9793940, 15670304, 19587880, 39175760, 78351520]

約数ペア:

[(1, 78351520), (2, 39175760), (4, 19587880), (5, 15670304), (8, 9793940), (10, 7835152), (13, 6027040), (16, 4896970), (20, 3917576), (26, 3013520), (32, 2448485), (40, 1958788), (52, 1506760), (65, 1205408), (80, 979394), (104, 753380), (130, 602704), (139, 563680), (160, 489697), (208, 376690), (260, 301352), (271, 289120), (278, 281840), (416, 188345), (520, 150676), (542, 144560), (556, 140920), (695, 112736), (1040, 75338), (1084, 72280), (1112, 70460), (1355, 57824), (1390, 56368), (1807, 43360), (2080, 37669), (2168, 36140), (2224, 35230), (2710, 28912), (2780, 28184), (3523, 22240), (3614, 21680), (4336, 18070), (4448, 17615), (5420, 14456), (5560, 14092), (7046, 11120), (7228, 10840), (8672, 9035)]