65787890

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1$

素因数の和:184

約数の個数: 96

約数和(自身を含む): 146562048

約数和(自身を除く): 80774158

約数列:

[1, 2, 5, 7, 10, 14, 31, 35, 49, 61, 62, 70, 71, 98, 122, 142, 155, 217, 245, 305, 310, 355, 427, 434, 490, 497, 610, 710, 854, 994, 1085, 1519, 1891, 2135, 2170, 2201, 2485, 2989, 3038, 3479, 3782, 4270, 4331, 4402, 4970, 5978, 6958, 7595, 8662, 9455, 11005, 13237, 14945, 15190, 15407, 17395, 18910, 21655, 22010, 26474, 29890, 30317, 30814, 34790, 43310, 60634, 66185, 77035, 92659, 107849, 132370, 134261, 151585, 154070, 185318, 212219, 215698, 268522, 303170, 424438, 463295, 539245, 671305, 926590, 939827, 1061095, 1078490, 1342610, 1879654, 2122190, 4699135, 6578789, 9398270, 13157578, 32893945, 65787890]

約数ペア:

[(1, 65787890), (2, 32893945), (5, 13157578), (7, 9398270), (10, 6578789), (14, 4699135), (31, 2122190), (35, 1879654), (49, 1342610), (61, 1078490), (62, 1061095), (70, 939827), (71, 926590), (98, 671305), (122, 539245), (142, 463295), (155, 424438), (217, 303170), (245, 268522), (305, 215698), (310, 212219), (355, 185318), (427, 154070), (434, 151585), (490, 134261), (497, 132370), (610, 107849), (710, 92659), (854, 77035), (994, 66185), (1085, 60634), (1519, 43310), (1891, 34790), (2135, 30814), (2170, 30317), (2201, 29890), (2485, 26474), (2989, 22010), (3038, 21655), (3479, 18910), (3782, 17395), (4270, 15407), (4331, 15190), (4402, 14945), (4970, 13237), (5978, 11005), (6958, 9455), (7595, 8662)]