312701480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{271}}^1\times {\mathrm{317}}^1$

素因数の和:619

約数の個数: 128

約数和(自身を含む): 871879680

約数和(自身を除く): 559178200

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 182, 260, 271, 280, 317, 364, 455, 520, 542, 634, 728, 910, 1084, 1268, 1355, 1585, 1820, 1897, 2168, 2219, 2536, 2710, 3170, 3523, 3640, 3794, 4121, 4438, 5420, 6340, 7046, 7588, 8242, 8876, 9485, 10840, 11095, 12680, 14092, 15176, 16484, 17615, 17752, 18970, 20605, 22190, 24661, 28184, 28847, 32968, 35230, 37940, 41210, 44380, 49322, 57694, 70460, 75880, 82420, 85907, 88760, 98644, 115388, 123305, 140920, 144235, 164840, 171814, 197288, 230776, 246610, 288470, 343628, 429535, 493220, 576940, 601349, 687256, 859070, 986440, 1116791, 1153880, 1202698, 1718140, 2233582, 2405396, 3006745, 3436280, 4467164, 4810792, 5583955, 6013490, 7817537, 8934328, 11167910, 12026980, 15635074, 22335820, 24053960, 31270148, 39087685, 44671640, 62540296, 78175370, 156350740, 312701480]

約数ペア:

[(1, 312701480), (2, 156350740), (4, 78175370), (5, 62540296), (7, 44671640), (8, 39087685), (10, 31270148), (13, 24053960), (14, 22335820), (20, 15635074), (26, 12026980), (28, 11167910), (35, 8934328), (40, 7817537), (52, 6013490), (56, 5583955), (65, 4810792), (70, 4467164), (91, 3436280), (104, 3006745), (130, 2405396), (140, 2233582), (182, 1718140), (260, 1202698), (271, 1153880), (280, 1116791), (317, 986440), (364, 859070), (455, 687256), (520, 601349), (542, 576940), (634, 493220), (728, 429535), (910, 343628), (1084, 288470), (1268, 246610), (1355, 230776), (1585, 197288), (1820, 171814), (1897, 164840), (2168, 144235), (2219, 140920), (2536, 123305), (2710, 115388), (3170, 98644), (3523, 88760), (3640, 85907), (3794, 82420), (4121, 75880), (4438, 70460), (5420, 57694), (6340, 49322), (7046, 44380), (7588, 41210), (8242, 37940), (8876, 35230), (9485, 32968), (10840, 28847), (11095, 28184), (12680, 24661), (14092, 22190), (15176, 20605), (16484, 18970), (17615, 17752)]