318401040

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{457}}^1\times {\mathrm{2903}}^1$

素因数の和:3376

約数の個数: 80

約数和(自身を含む): 989543808

約数和(自身を除く): 671142768

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 457, 914, 1371, 1828, 2285, 2742, 2903, 3656, 4570, 5484, 5806, 6855, 7312, 8709, 9140, 10968, 11612, 13710, 14515, 17418, 18280, 21936, 23224, 27420, 29030, 34836, 36560, 43545, 46448, 54840, 58060, 69672, 87090, 109680, 116120, 139344, 174180, 232240, 348360, 696720, 1326671, 2653342, 3980013, 5306684, 6633355, 7960026, 10613368, 13266710, 15920052, 19900065, 21226736, 26533420, 31840104, 39800130, 53066840, 63680208, 79600260, 106133680, 159200520, 318401040]

約数ペア:

[(1, 318401040), (2, 159200520), (3, 106133680), (4, 79600260), (5, 63680208), (6, 53066840), (8, 39800130), (10, 31840104), (12, 26533420), (15, 21226736), (16, 19900065), (20, 15920052), (24, 13266710), (30, 10613368), (40, 7960026), (48, 6633355), (60, 5306684), (80, 3980013), (120, 2653342), (240, 1326671), (457, 696720), (914, 348360), (1371, 232240), (1828, 174180), (2285, 139344), (2742, 116120), (2903, 109680), (3656, 87090), (4570, 69672), (5484, 58060), (5806, 54840), (6855, 46448), (7312, 43545), (8709, 36560), (9140, 34836), (10968, 29030), (11612, 27420), (13710, 23224), (14515, 21936), (17418, 18280)]