31098960

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{919}}^1$

素因数の和:985

約数の個数: 120

約数和(自身を含む): 106778880

約数和(自身を除く): 75679920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 47, 48, 60, 72, 80, 90, 94, 120, 141, 144, 180, 188, 235, 240, 282, 360, 376, 423, 470, 564, 705, 720, 752, 846, 919, 940, 1128, 1410, 1692, 1838, 1880, 2115, 2256, 2757, 2820, 3384, 3676, 3760, 4230, 4595, 5514, 5640, 6768, 7352, 8271, 8460, 9190, 11028, 11280, 13785, 14704, 16542, 16920, 18380, 22056, 27570, 33084, 33840, 36760, 41355, 43193, 44112, 55140, 66168, 73520, 82710, 86386, 110280, 129579, 132336, 165420, 172772, 215965, 220560, 259158, 330840, 345544, 388737, 431930, 518316, 647895, 661680, 691088, 777474, 863860, 1036632, 1295790, 1554948, 1727720, 1943685, 2073264, 2591580, 3109896, 3455440, 3887370, 5183160, 6219792, 7774740, 10366320, 15549480, 31098960]

約数ペア:

[(1, 31098960), (2, 15549480), (3, 10366320), (4, 7774740), (5, 6219792), (6, 5183160), (8, 3887370), (9, 3455440), (10, 3109896), (12, 2591580), (15, 2073264), (16, 1943685), (18, 1727720), (20, 1554948), (24, 1295790), (30, 1036632), (36, 863860), (40, 777474), (45, 691088), (47, 661680), (48, 647895), (60, 518316), (72, 431930), (80, 388737), (90, 345544), (94, 330840), (120, 259158), (141, 220560), (144, 215965), (180, 172772), (188, 165420), (235, 132336), (240, 129579), (282, 110280), (360, 86386), (376, 82710), (423, 73520), (470, 66168), (564, 55140), (705, 44112), (720, 43193), (752, 41355), (846, 36760), (919, 33840), (940, 33084), (1128, 27570), (1410, 22056), (1692, 18380), (1838, 16920), (1880, 16542), (2115, 14704), (2256, 13785), (2757, 11280), (2820, 11028), (3384, 9190), (3676, 8460), (3760, 8271), (4230, 7352), (4595, 6768), (5514, 5640)]