1265359480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{311}}^1\times {\mathrm{1321}}^1$

素因数の和:1661

約数の個数: 128

約数和(自身を含む): 3563688960

約数和(自身を除く): 2298329480

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 140, 154, 220, 280, 308, 311, 385, 440, 616, 622, 770, 1244, 1321, 1540, 1555, 2177, 2488, 2642, 3080, 3110, 3421, 4354, 5284, 6220, 6605, 6842, 8708, 9247, 10568, 10885, 12440, 13210, 13684, 14531, 17105, 17416, 18494, 21770, 23947, 26420, 27368, 29062, 34210, 36988, 43540, 46235, 47894, 52840, 58124, 68420, 72655, 73976, 87080, 92470, 95788, 101717, 116248, 119735, 136840, 145310, 184940, 191576, 203434, 239470, 290620, 369880, 406868, 410831, 478940, 508585, 581240, 813736, 821662, 957880, 1017170, 1643324, 2034340, 2054155, 2875817, 3286648, 4068680, 4108310, 4519141, 5751634, 8216620, 9038282, 11503268, 14379085, 16433240, 18076564, 22595705, 23006536, 28758170, 31633987, 36153128, 45191410, 57516340, 63267974, 90382820, 115032680, 126535948, 158169935, 180765640, 253071896, 316339870, 632679740, 1265359480]

約数ペア:

[(1, 1265359480), (2, 632679740), (4, 316339870), (5, 253071896), (7, 180765640), (8, 158169935), (10, 126535948), (11, 115032680), (14, 90382820), (20, 63267974), (22, 57516340), (28, 45191410), (35, 36153128), (40, 31633987), (44, 28758170), (55, 23006536), (56, 22595705), (70, 18076564), (77, 16433240), (88, 14379085), (110, 11503268), (140, 9038282), (154, 8216620), (220, 5751634), (280, 4519141), (308, 4108310), (311, 4068680), (385, 3286648), (440, 2875817), (616, 2054155), (622, 2034340), (770, 1643324), (1244, 1017170), (1321, 957880), (1540, 821662), (1555, 813736), (2177, 581240), (2488, 508585), (2642, 478940), (3080, 410831), (3110, 406868), (3421, 369880), (4354, 290620), (5284, 239470), (6220, 203434), (6605, 191576), (6842, 184940), (8708, 145310), (9247, 136840), (10568, 119735), (10885, 116248), (12440, 101717), (13210, 95788), (13684, 92470), (14531, 87080), (17105, 73976), (17416, 72655), (18494, 68420), (21770, 58124), (23947, 52840), (26420, 47894), (27368, 46235), (29062, 43540), (34210, 36988)]