31418640

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{3967}}^1$

素因数の和:3997

約数の個数: 120

約数和(自身を含む): 115135488

約数和(自身を除く): 83716848

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 48, 55, 60, 66, 72, 80, 88, 90, 99, 110, 120, 132, 144, 165, 176, 180, 198, 220, 240, 264, 330, 360, 396, 440, 495, 528, 660, 720, 792, 880, 990, 1320, 1584, 1980, 2640, 3960, 3967, 7920, 7934, 11901, 15868, 19835, 23802, 31736, 35703, 39670, 43637, 47604, 59505, 63472, 71406, 79340, 87274, 95208, 119010, 130911, 142812, 158680, 174548, 178515, 190416, 218185, 238020, 261822, 285624, 317360, 349096, 357030, 392733, 436370, 476040, 523644, 571248, 654555, 698192, 714060, 785466, 872740, 952080, 1047288, 1309110, 1428120, 1570932, 1745480, 1963665, 2094576, 2618220, 2856240, 3141864, 3490960, 3927330, 5236440, 6283728, 7854660, 10472880, 15709320, 31418640]

約数ペア:

[(1, 31418640), (2, 15709320), (3, 10472880), (4, 7854660), (5, 6283728), (6, 5236440), (8, 3927330), (9, 3490960), (10, 3141864), (11, 2856240), (12, 2618220), (15, 2094576), (16, 1963665), (18, 1745480), (20, 1570932), (22, 1428120), (24, 1309110), (30, 1047288), (33, 952080), (36, 872740), (40, 785466), (44, 714060), (45, 698192), (48, 654555), (55, 571248), (60, 523644), (66, 476040), (72, 436370), (80, 392733), (88, 357030), (90, 349096), (99, 317360), (110, 285624), (120, 261822), (132, 238020), (144, 218185), (165, 190416), (176, 178515), (180, 174548), (198, 158680), (220, 142812), (240, 130911), (264, 119010), (330, 95208), (360, 87274), (396, 79340), (440, 71406), (495, 63472), (528, 59505), (660, 47604), (720, 43637), (792, 39670), (880, 35703), (990, 31736), (1320, 23802), (1584, 19835), (1980, 15868), (2640, 11901), (3960, 7934), (3967, 7920)]