31555920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{11953}}^1$

素因数の和:11980

約数の個数: 80

約数和(自身を含む): 106725312

約数和(自身を除く): 75169392

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 44, 48, 55, 60, 66, 80, 88, 110, 120, 132, 165, 176, 220, 240, 264, 330, 440, 528, 660, 880, 1320, 2640, 11953, 23906, 35859, 47812, 59765, 71718, 95624, 119530, 131483, 143436, 179295, 191248, 239060, 262966, 286872, 358590, 394449, 478120, 525932, 573744, 657415, 717180, 788898, 956240, 1051864, 1314830, 1434360, 1577796, 1972245, 2103728, 2629660, 2868720, 3155592, 3944490, 5259320, 6311184, 7888980, 10518640, 15777960, 31555920]

約数ペア:

[(1, 31555920), (2, 15777960), (3, 10518640), (4, 7888980), (5, 6311184), (6, 5259320), (8, 3944490), (10, 3155592), (11, 2868720), (12, 2629660), (15, 2103728), (16, 1972245), (20, 1577796), (22, 1434360), (24, 1314830), (30, 1051864), (33, 956240), (40, 788898), (44, 717180), (48, 657415), (55, 573744), (60, 525932), (66, 478120), (80, 394449), (88, 358590), (110, 286872), (120, 262966), (132, 239060), (165, 191248), (176, 179295), (220, 143436), (240, 131483), (264, 119530), (330, 95624), (440, 71718), (528, 59765), (660, 47812), (880, 35859), (1320, 23906), (2640, 11953)]