640050552

素因数分解:

$2^3\times 3^3\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{1567}}^1$

素因数の和:1674

約数の個数: 128

約数和(自身を含む): 1866547200

約数和(自身を除く): 1226496648

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 31, 36, 54, 61, 62, 72, 93, 108, 122, 124, 183, 186, 216, 244, 248, 279, 366, 372, 488, 549, 558, 732, 744, 837, 1098, 1116, 1464, 1567, 1647, 1674, 1891, 2196, 2232, 3134, 3294, 3348, 3782, 4392, 4701, 5673, 6268, 6588, 6696, 7564, 9402, 11346, 12536, 13176, 14103, 15128, 17019, 18804, 22692, 28206, 34038, 37608, 42309, 45384, 48577, 51057, 56412, 68076, 84618, 95587, 97154, 102114, 112824, 136152, 145731, 169236, 191174, 194308, 204228, 286761, 291462, 338472, 382348, 388616, 408456, 437193, 573522, 582924, 764696, 860283, 874386, 1147044, 1165848, 1311579, 1720566, 1748772, 2294088, 2580849, 2623158, 2963197, 3441132, 3497544, 5161698, 5246316, 5926394, 6882264, 8889591, 10323396, 10492632, 11852788, 17779182, 20646792, 23705576, 26668773, 35558364, 53337546, 71116728, 80006319, 106675092, 160012638, 213350184, 320025276, 640050552]

約数ペア:

[(1, 640050552), (2, 320025276), (3, 213350184), (4, 160012638), (6, 106675092), (8, 80006319), (9, 71116728), (12, 53337546), (18, 35558364), (24, 26668773), (27, 23705576), (31, 20646792), (36, 17779182), (54, 11852788), (61, 10492632), (62, 10323396), (72, 8889591), (93, 6882264), (108, 5926394), (122, 5246316), (124, 5161698), (183, 3497544), (186, 3441132), (216, 2963197), (244, 2623158), (248, 2580849), (279, 2294088), (366, 1748772), (372, 1720566), (488, 1311579), (549, 1165848), (558, 1147044), (732, 874386), (744, 860283), (837, 764696), (1098, 582924), (1116, 573522), (1464, 437193), (1567, 408456), (1647, 388616), (1674, 382348), (1891, 338472), (2196, 291462), (2232, 286761), (3134, 204228), (3294, 194308), (3348, 191174), (3782, 169236), (4392, 145731), (4701, 136152), (5673, 112824), (6268, 102114), (6588, 97154), (6696, 95587), (7564, 84618), (9402, 68076), (11346, 56412), (12536, 51057), (13176, 48577), (14103, 45384), (15128, 42309), (17019, 37608), (18804, 34038), (22692, 28206)]