78927860

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{163}}^1$

素因数の和:285

約数の個数: 96

約数和(自身を含む): 190439424

約数和(自身を除く): 111511564

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 31, 44, 55, 62, 71, 110, 124, 142, 155, 163, 220, 284, 310, 326, 341, 355, 620, 652, 682, 710, 781, 815, 1364, 1420, 1562, 1630, 1705, 1793, 2201, 3124, 3260, 3410, 3586, 3905, 4402, 5053, 6820, 7172, 7810, 8804, 8965, 10106, 11005, 11573, 15620, 17930, 20212, 22010, 23146, 24211, 25265, 35860, 44020, 46292, 48422, 50530, 55583, 57865, 96844, 101060, 111166, 115730, 121055, 127303, 222332, 231460, 242110, 254606, 277915, 358763, 484220, 509212, 555830, 636515, 717526, 1111660, 1273030, 1435052, 1793815, 2546060, 3587630, 3946393, 7175260, 7892786, 15785572, 19731965, 39463930, 78927860]

約数ペア:

[(1, 78927860), (2, 39463930), (4, 19731965), (5, 15785572), (10, 7892786), (11, 7175260), (20, 3946393), (22, 3587630), (31, 2546060), (44, 1793815), (55, 1435052), (62, 1273030), (71, 1111660), (110, 717526), (124, 636515), (142, 555830), (155, 509212), (163, 484220), (220, 358763), (284, 277915), (310, 254606), (326, 242110), (341, 231460), (355, 222332), (620, 127303), (652, 121055), (682, 115730), (710, 111166), (781, 101060), (815, 96844), (1364, 57865), (1420, 55583), (1562, 50530), (1630, 48422), (1705, 46292), (1793, 44020), (2201, 35860), (3124, 25265), (3260, 24211), (3410, 23146), (3586, 22010), (3905, 20212), (4402, 17930), (5053, 15620), (6820, 11573), (7172, 11005), (7810, 10106), (8804, 8965)]