313099520

素因数分解:

$2^8\times 5^1\times {\mathrm{331}}^1\times {\mathrm{739}}^1$

素因数の和:1091

約数の個数: 72

約数和(自身を含む): 753254880

約数和(自身を除く): 440155360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 331, 640, 662, 739, 1280, 1324, 1478, 1655, 2648, 2956, 3310, 3695, 5296, 5912, 6620, 7390, 10592, 11824, 13240, 14780, 21184, 23648, 26480, 29560, 42368, 47296, 52960, 59120, 84736, 94592, 105920, 118240, 189184, 211840, 236480, 244609, 423680, 472960, 489218, 945920, 978436, 1223045, 1956872, 2446090, 3913744, 4892180, 7827488, 9784360, 15654976, 19568720, 31309952, 39137440, 62619904, 78274880, 156549760, 313099520]

約数ペア:

[(1, 313099520), (2, 156549760), (4, 78274880), (5, 62619904), (8, 39137440), (10, 31309952), (16, 19568720), (20, 15654976), (32, 9784360), (40, 7827488), (64, 4892180), (80, 3913744), (128, 2446090), (160, 1956872), (256, 1223045), (320, 978436), (331, 945920), (640, 489218), (662, 472960), (739, 423680), (1280, 244609), (1324, 236480), (1478, 211840), (1655, 189184), (2648, 118240), (2956, 105920), (3310, 94592), (3695, 84736), (5296, 59120), (5912, 52960), (6620, 47296), (7390, 42368), (10592, 29560), (11824, 26480), (13240, 23648), (14780, 21184)]