68860920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{173}}^1$

素因数の和:325

約数の個数: 128

約数和(自身を含む): 216483840

約数和(自身を除く): 147622920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 62, 93, 107, 120, 124, 155, 173, 186, 214, 248, 310, 321, 346, 372, 428, 465, 519, 535, 620, 642, 692, 744, 856, 865, 930, 1038, 1070, 1240, 1284, 1384, 1605, 1730, 1860, 2076, 2140, 2568, 2595, 3210, 3317, 3460, 3720, 4152, 4280, 5190, 5363, 6420, 6634, 6920, 9951, 10380, 10726, 12840, 13268, 16089, 16585, 18511, 19902, 20760, 21452, 26536, 26815, 32178, 33170, 37022, 39804, 42904, 49755, 53630, 55533, 64356, 66340, 74044, 79608, 80445, 92555, 99510, 107260, 111066, 128712, 132680, 148088, 160890, 185110, 199020, 214520, 222132, 277665, 321780, 370220, 398040, 444264, 555330, 573841, 643560, 740440, 1110660, 1147682, 1721523, 2221320, 2295364, 2869205, 3443046, 4590728, 5738410, 6886092, 8607615, 11476820, 13772184, 17215230, 22953640, 34430460, 68860920]

約数ペア:

[(1, 68860920), (2, 34430460), (3, 22953640), (4, 17215230), (5, 13772184), (6, 11476820), (8, 8607615), (10, 6886092), (12, 5738410), (15, 4590728), (20, 3443046), (24, 2869205), (30, 2295364), (31, 2221320), (40, 1721523), (60, 1147682), (62, 1110660), (93, 740440), (107, 643560), (120, 573841), (124, 555330), (155, 444264), (173, 398040), (186, 370220), (214, 321780), (248, 277665), (310, 222132), (321, 214520), (346, 199020), (372, 185110), (428, 160890), (465, 148088), (519, 132680), (535, 128712), (620, 111066), (642, 107260), (692, 99510), (744, 92555), (856, 80445), (865, 79608), (930, 74044), (1038, 66340), (1070, 64356), (1240, 55533), (1284, 53630), (1384, 49755), (1605, 42904), (1730, 39804), (1860, 37022), (2076, 33170), (2140, 32178), (2568, 26815), (2595, 26536), (3210, 21452), (3317, 20760), (3460, 19902), (3720, 18511), (4152, 16585), (4280, 16089), (5190, 13268), (5363, 12840), (6420, 10726), (6634, 10380), (6920, 9951)]