31450860

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{229}}^1$

素因数の和:360

約数の個数: 144

約数和(自身を含む): 110510400

約数和(自身を除く): 79059540

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 109, 126, 140, 180, 210, 218, 229, 252, 315, 327, 420, 436, 458, 545, 630, 654, 687, 763, 916, 981, 1090, 1145, 1260, 1308, 1374, 1526, 1603, 1635, 1962, 2061, 2180, 2289, 2290, 2748, 3052, 3206, 3270, 3435, 3815, 3924, 4122, 4578, 4580, 4809, 4905, 6412, 6540, 6867, 6870, 7630, 8015, 8244, 9156, 9618, 9810, 10305, 11445, 13734, 13740, 14427, 15260, 16030, 19236, 19620, 20610, 22890, 24045, 24961, 27468, 28854, 32060, 34335, 41220, 45780, 48090, 49922, 57708, 68670, 72135, 74883, 96180, 99844, 124805, 137340, 144270, 149766, 174727, 224649, 249610, 288540, 299532, 349454, 374415, 449298, 499220, 524181, 698908, 748830, 873635, 898596, 1048362, 1123245, 1497660, 1572543, 1747270, 2096724, 2246490, 2620905, 3145086, 3494540, 4492980, 5241810, 6290172, 7862715, 10483620, 15725430, 31450860]

約数ペア:

[(1, 31450860), (2, 15725430), (3, 10483620), (4, 7862715), (5, 6290172), (6, 5241810), (7, 4492980), (9, 3494540), (10, 3145086), (12, 2620905), (14, 2246490), (15, 2096724), (18, 1747270), (20, 1572543), (21, 1497660), (28, 1123245), (30, 1048362), (35, 898596), (36, 873635), (42, 748830), (45, 698908), (60, 524181), (63, 499220), (70, 449298), (84, 374415), (90, 349454), (105, 299532), (109, 288540), (126, 249610), (140, 224649), (180, 174727), (210, 149766), (218, 144270), (229, 137340), (252, 124805), (315, 99844), (327, 96180), (420, 74883), (436, 72135), (458, 68670), (545, 57708), (630, 49922), (654, 48090), (687, 45780), (763, 41220), (916, 34335), (981, 32060), (1090, 28854), (1145, 27468), (1260, 24961), (1308, 24045), (1374, 22890), (1526, 20610), (1603, 19620), (1635, 19236), (1962, 16030), (2061, 15260), (2180, 14427), (2289, 13740), (2290, 13734), (2748, 11445), (3052, 10305), (3206, 9810), (3270, 9618), (3435, 9156), (3815, 8244), (3924, 8015), (4122, 7630), (4578, 6870), (4580, 6867), (4809, 6540), (4905, 6412)]