77942280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2939}}^1$

素因数の和:2983

約数の個数: 128

約数和(自身を含む): 266716800

約数和(自身を除く): 188774520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 17, 20, 24, 26, 30, 34, 39, 40, 51, 52, 60, 65, 68, 78, 85, 102, 104, 120, 130, 136, 156, 170, 195, 204, 221, 255, 260, 312, 340, 390, 408, 442, 510, 520, 663, 680, 780, 884, 1020, 1105, 1326, 1560, 1768, 2040, 2210, 2652, 2939, 3315, 4420, 5304, 5878, 6630, 8817, 8840, 11756, 13260, 14695, 17634, 23512, 26520, 29390, 35268, 38207, 44085, 49963, 58780, 70536, 76414, 88170, 99926, 114621, 117560, 149889, 152828, 176340, 191035, 199852, 229242, 249815, 299778, 305656, 352680, 382070, 399704, 458484, 499630, 573105, 599556, 649519, 749445, 764140, 916968, 999260, 1146210, 1199112, 1299038, 1498890, 1528280, 1948557, 1998520, 2292420, 2598076, 2997780, 3247595, 3897114, 4584840, 5196152, 5995560, 6495190, 7794228, 9742785, 12990380, 15588456, 19485570, 25980760, 38971140, 77942280]

約数ペア:

[(1, 77942280), (2, 38971140), (3, 25980760), (4, 19485570), (5, 15588456), (6, 12990380), (8, 9742785), (10, 7794228), (12, 6495190), (13, 5995560), (15, 5196152), (17, 4584840), (20, 3897114), (24, 3247595), (26, 2997780), (30, 2598076), (34, 2292420), (39, 1998520), (40, 1948557), (51, 1528280), (52, 1498890), (60, 1299038), (65, 1199112), (68, 1146210), (78, 999260), (85, 916968), (102, 764140), (104, 749445), (120, 649519), (130, 599556), (136, 573105), (156, 499630), (170, 458484), (195, 399704), (204, 382070), (221, 352680), (255, 305656), (260, 299778), (312, 249815), (340, 229242), (390, 199852), (408, 191035), (442, 176340), (510, 152828), (520, 149889), (663, 117560), (680, 114621), (780, 99926), (884, 88170), (1020, 76414), (1105, 70536), (1326, 58780), (1560, 49963), (1768, 44085), (2040, 38207), (2210, 35268), (2652, 29390), (2939, 26520), (3315, 23512), (4420, 17634), (5304, 14695), (5878, 13260), (6630, 11756), (8817, 8840)]