77291240

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{7823}}^1$

素因数の和:7866

約数の個数: 64

約数和(自身を含む): 197164800

約数和(自身を除く): 119873560

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 26, 38, 40, 52, 65, 76, 95, 104, 130, 152, 190, 247, 260, 380, 494, 520, 760, 988, 1235, 1976, 2470, 4940, 7823, 9880, 15646, 31292, 39115, 62584, 78230, 101699, 148637, 156460, 203398, 297274, 312920, 406796, 508495, 594548, 743185, 813592, 1016990, 1189096, 1486370, 1932281, 2033980, 2972740, 3864562, 4067960, 5945480, 7729124, 9661405, 15458248, 19322810, 38645620, 77291240]

約数ペア:

[(1, 77291240), (2, 38645620), (4, 19322810), (5, 15458248), (8, 9661405), (10, 7729124), (13, 5945480), (19, 4067960), (20, 3864562), (26, 2972740), (38, 2033980), (40, 1932281), (52, 1486370), (65, 1189096), (76, 1016990), (95, 813592), (104, 743185), (130, 594548), (152, 508495), (190, 406796), (247, 312920), (260, 297274), (380, 203398), (494, 156460), (520, 148637), (760, 101699), (988, 78230), (1235, 62584), (1976, 39115), (2470, 31292), (4940, 15646), (7823, 9880)]