31277340

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{449}}^1$

素因数の和:513

約数の個数: 120

約数和(自身を含む): 100623600

約数和(自身を除く): 69346260

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 43, 45, 54, 60, 81, 86, 90, 108, 129, 135, 162, 172, 180, 215, 258, 270, 324, 387, 405, 430, 449, 516, 540, 645, 774, 810, 860, 898, 1161, 1290, 1347, 1548, 1620, 1796, 1935, 2245, 2322, 2580, 2694, 3483, 3870, 4041, 4490, 4644, 5388, 5805, 6735, 6966, 7740, 8082, 8980, 11610, 12123, 13470, 13932, 16164, 17415, 19307, 20205, 23220, 24246, 26940, 34830, 36369, 38614, 40410, 48492, 57921, 60615, 69660, 72738, 77228, 80820, 96535, 115842, 121230, 145476, 173763, 181845, 193070, 231684, 242460, 289605, 347526, 363690, 386140, 521289, 579210, 695052, 727380, 868815, 1042578, 1158420, 1563867, 1737630, 2085156, 2606445, 3127734, 3475260, 5212890, 6255468, 7819335, 10425780, 15638670, 31277340]

約数ペア:

[(1, 31277340), (2, 15638670), (3, 10425780), (4, 7819335), (5, 6255468), (6, 5212890), (9, 3475260), (10, 3127734), (12, 2606445), (15, 2085156), (18, 1737630), (20, 1563867), (27, 1158420), (30, 1042578), (36, 868815), (43, 727380), (45, 695052), (54, 579210), (60, 521289), (81, 386140), (86, 363690), (90, 347526), (108, 289605), (129, 242460), (135, 231684), (162, 193070), (172, 181845), (180, 173763), (215, 145476), (258, 121230), (270, 115842), (324, 96535), (387, 80820), (405, 77228), (430, 72738), (449, 69660), (516, 60615), (540, 57921), (645, 48492), (774, 40410), (810, 38614), (860, 36369), (898, 34830), (1161, 26940), (1290, 24246), (1347, 23220), (1548, 20205), (1620, 19307), (1796, 17415), (1935, 16164), (2245, 13932), (2322, 13470), (2580, 12123), (2694, 11610), (3483, 8980), (3870, 8082), (4041, 7740), (4490, 6966), (4644, 6735), (5388, 5805)]