281261340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{10487}}^1$

素因数の和:10651

約数の個数: 72

約数和(自身を含む): 858967200

約数和(自身を除く): 577705860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 149, 180, 298, 447, 596, 745, 894, 1341, 1490, 1788, 2235, 2682, 2980, 4470, 5364, 6705, 8940, 10487, 13410, 20974, 26820, 31461, 41948, 52435, 62922, 94383, 104870, 125844, 157305, 188766, 209740, 314610, 377532, 471915, 629220, 943830, 1562563, 1887660, 3125126, 4687689, 6250252, 7812815, 9375378, 14063067, 15625630, 18750756, 23438445, 28126134, 31251260, 46876890, 56252268, 70315335, 93753780, 140630670, 281261340]

約数ペア:

[(1, 281261340), (2, 140630670), (3, 93753780), (4, 70315335), (5, 56252268), (6, 46876890), (9, 31251260), (10, 28126134), (12, 23438445), (15, 18750756), (18, 15625630), (20, 14063067), (30, 9375378), (36, 7812815), (45, 6250252), (60, 4687689), (90, 3125126), (149, 1887660), (180, 1562563), (298, 943830), (447, 629220), (596, 471915), (745, 377532), (894, 314610), (1341, 209740), (1490, 188766), (1788, 157305), (2235, 125844), (2682, 104870), (2980, 94383), (4470, 62922), (5364, 52435), (6705, 41948), (8940, 31461), (10487, 26820), (13410, 20974)]