64984860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{2423}}^1$

素因数の和:2587

約数の個数: 72

約数和(自身を含む): 198525600

約数和(自身を除く): 133540740

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, 2423, 2682, 2980, 4470, 4846, 5364, 6705, 7269, 8940, 9692, 12115, 13410, 14538, 21807, 24230, 26820, 29076, 36345, 43614, 48460, 72690, 87228, 109035, 145380, 218070, 361027, 436140, 722054, 1083081, 1444108, 1805135, 2166162, 3249243, 3610270, 4332324, 5415405, 6498486, 7220540, 10830810, 12996972, 16246215, 21661620, 32492430, 64984860]

約数ペア:

[(1, 64984860), (2, 32492430), (3, 21661620), (4, 16246215), (5, 12996972), (6, 10830810), (9, 7220540), (10, 6498486), (12, 5415405), (15, 4332324), (18, 3610270), (20, 3249243), (30, 2166162), (36, 1805135), (45, 1444108), (60, 1083081), (90, 722054), (149, 436140), (180, 361027), (298, 218070), (447, 145380), (596, 109035), (745, 87228), (894, 72690), (1341, 48460), (1490, 43614), (1788, 36345), (2235, 29076), (2423, 26820), (2682, 24230), (2980, 21807), (4470, 14538), (4846, 13410), (5364, 12115), (6705, 9692), (7269, 8940)]