15698736220

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^2\times {\mathrm{173}}^1\times {\mathrm{727}}^1$

素因数の和:1067

約数の個数: 72

約数和(自身を含む): 33629135904

約数和(自身を除く): 17930399684

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 173, 316, 346, 395, 692, 727, 790, 865, 1454, 1580, 1730, 2908, 3460, 3635, 6241, 7270, 12482, 13667, 14540, 24964, 27334, 31205, 54668, 57433, 62410, 68335, 114866, 124820, 125771, 136670, 229732, 251542, 273340, 287165, 503084, 574330, 628855, 1079693, 1148660, 1257710, 2159386, 2515420, 4318772, 4537207, 5398465, 9074414, 9935909, 10796930, 18148828, 19871818, 21593860, 22686035, 39743636, 45372070, 49679545, 90744140, 99359090, 198718180, 784936811, 1569873622, 3139747244, 3924684055, 7849368110, 15698736220]

約数ペア:

[(1, 15698736220), (2, 7849368110), (4, 3924684055), (5, 3139747244), (10, 1569873622), (20, 784936811), (79, 198718180), (158, 99359090), (173, 90744140), (316, 49679545), (346, 45372070), (395, 39743636), (692, 22686035), (727, 21593860), (790, 19871818), (865, 18148828), (1454, 10796930), (1580, 9935909), (1730, 9074414), (2908, 5398465), (3460, 4537207), (3635, 4318772), (6241, 2515420), (7270, 2159386), (12482, 1257710), (13667, 1148660), (14540, 1079693), (24964, 628855), (27334, 574330), (31205, 503084), (54668, 287165), (57433, 273340), (62410, 251542), (68335, 229732), (114866, 136670), (124820, 125771)]