64135280

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{2351}}^1$

素因数の和:2406

約数の個数: 80

約数和(自身を含む): 167989248

約数和(自身を除く): 103853968

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 40, 44, 55, 62, 80, 88, 110, 124, 155, 176, 220, 248, 310, 341, 440, 496, 620, 682, 880, 1240, 1364, 1705, 2351, 2480, 2728, 3410, 4702, 5456, 6820, 9404, 11755, 13640, 18808, 23510, 25861, 27280, 37616, 47020, 51722, 72881, 94040, 103444, 129305, 145762, 188080, 206888, 258610, 291524, 364405, 413776, 517220, 583048, 728810, 801691, 1034440, 1166096, 1457620, 1603382, 2068880, 2915240, 3206764, 4008455, 5830480, 6413528, 8016910, 12827056, 16033820, 32067640, 64135280]

約数ペア:

[(1, 64135280), (2, 32067640), (4, 16033820), (5, 12827056), (8, 8016910), (10, 6413528), (11, 5830480), (16, 4008455), (20, 3206764), (22, 2915240), (31, 2068880), (40, 1603382), (44, 1457620), (55, 1166096), (62, 1034440), (80, 801691), (88, 728810), (110, 583048), (124, 517220), (155, 413776), (176, 364405), (220, 291524), (248, 258610), (310, 206888), (341, 188080), (440, 145762), (496, 129305), (620, 103444), (682, 94040), (880, 72881), (1240, 51722), (1364, 47020), (1705, 37616), (2351, 27280), (2480, 25861), (2728, 23510), (3410, 18808), (4702, 13640), (5456, 11755), (6820, 9404)]