72660760

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{97}}^1\times {\mathrm{307}}^1$

素因数の和:476

約数の個数: 64

約数和(自身を含む): 168426720

約数和(自身を除く): 95765960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 97, 122, 194, 244, 305, 307, 388, 485, 488, 610, 614, 776, 970, 1220, 1228, 1535, 1940, 2440, 2456, 3070, 3880, 5917, 6140, 11834, 12280, 18727, 23668, 29585, 29779, 37454, 47336, 59170, 59558, 74908, 93635, 118340, 119116, 148895, 149816, 187270, 236680, 238232, 297790, 374540, 595580, 749080, 1191160, 1816519, 3633038, 7266076, 9082595, 14532152, 18165190, 36330380, 72660760]

約数ペア:

[(1, 72660760), (2, 36330380), (4, 18165190), (5, 14532152), (8, 9082595), (10, 7266076), (20, 3633038), (40, 1816519), (61, 1191160), (97, 749080), (122, 595580), (194, 374540), (244, 297790), (305, 238232), (307, 236680), (388, 187270), (485, 149816), (488, 148895), (610, 119116), (614, 118340), (776, 93635), (970, 74908), (1220, 59558), (1228, 59170), (1535, 47336), (1940, 37454), (2440, 29779), (2456, 29585), (3070, 23668), (3880, 18727), (5917, 12280), (6140, 11834)]