71847774.000000000

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{9817}}^1$

素因数の和:9973

約数の個数: 96

約数和(自身を含む): 1608188400

約数和(自身を除く): 1116945720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 139, 180, 278, 360, 417, 556, 695, 834, 1112, 1251, 1390, 1668, 2085, 2502, 2780, 3336, 4170, 5004, 5560, 6255, 8340, 9817, 10008, 12510, 16680, 19634, 25020, 29451, 39268, 49085, 50040, 58902, 78536, 88353, 98170, 117804, 147255, 176706, 196340, 235608, 294510, 353412, 392680, 441765, 589020, 706824, 883530, 1178040, 1364563, 1767060, 2729126, 3534120, 4093689, 5458252, 6822815, 8187378, 10916504, 12281067, 13645630, 16374756, 20468445, 24562134, 27291260, 32749512, 40936890, 49124268, 54582520, 61405335, 81873780, 98248536, 122810670, 163747560, 245621340, 491242680]

約数ペア:

[(1, 491242680), (2, 245621340), (3, 163747560), (4, 122810670), (5, 98248536), (6, 81873780), (8, 61405335), (9, 54582520), (10, 49124268), (12, 40936890), (15, 32749512), (18, 27291260), (20, 24562134), (24, 20468445), (30, 16374756), (36, 13645630), (40, 12281067), (45, 10916504), (60, 8187378), (72, 6822815), (90, 5458252), (120, 4093689), (139, 3534120), (180, 2729126), (278, 1767060), (360, 1364563), (417, 1178040), (556, 883530), (695, 706824), (834, 589020), (1112, 441765), (1251, 392680), (1390, 353412), (1668, 294510), (2085, 235608), (2502, 196340), (2780, 176706), (3336, 147255), (4170, 117804), (5004, 98170), (5560, 88353), (6255, 78536), (8340, 58902), (9817, 50040), (10008, 49085), (12510, 39268), (16680, 29451), (19634, 25020)]