63470180

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{79}}^1\times {\mathrm{139}}^1$

素因数の和:261

約数の個数: 72

約数和(自身を含む): 144412800

約数和(自身を除く): 80942620

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 79, 85, 139, 158, 170, 278, 289, 316, 340, 395, 556, 578, 695, 790, 1156, 1343, 1390, 1445, 1580, 2363, 2686, 2780, 2890, 4726, 5372, 5780, 6715, 9452, 10981, 11815, 13430, 21962, 22831, 23630, 26860, 40171, 43924, 45662, 47260, 54905, 80342, 91324, 109810, 114155, 160684, 186677, 200855, 219620, 228310, 373354, 401710, 456620, 746708, 803420, 933385, 1866770, 3173509, 3733540, 6347018, 12694036, 15867545, 31735090, 63470180]

約数ペア:

[(1, 63470180), (2, 31735090), (4, 15867545), (5, 12694036), (10, 6347018), (17, 3733540), (20, 3173509), (34, 1866770), (68, 933385), (79, 803420), (85, 746708), (139, 456620), (158, 401710), (170, 373354), (278, 228310), (289, 219620), (316, 200855), (340, 186677), (395, 160684), (556, 114155), (578, 109810), (695, 91324), (790, 80342), (1156, 54905), (1343, 47260), (1390, 45662), (1445, 43924), (1580, 40171), (2363, 26860), (2686, 23630), (2780, 22831), (2890, 21962), (4726, 13430), (5372, 11815), (5780, 10981), (6715, 9452)]