280715292

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1759}}^1$

素因数の和:1824

約数の個数: 144

約数和(自身を含む): 861020160

約数和(自身を除く): 580304868

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 13, 18, 22, 26, 31, 33, 36, 39, 44, 52, 62, 66, 78, 93, 99, 117, 124, 132, 143, 156, 186, 198, 234, 279, 286, 341, 372, 396, 403, 429, 468, 558, 572, 682, 806, 858, 1023, 1116, 1209, 1287, 1364, 1612, 1716, 1759, 2046, 2418, 2574, 3069, 3518, 3627, 4092, 4433, 4836, 5148, 5277, 6138, 7036, 7254, 8866, 10554, 12276, 13299, 14508, 15831, 17732, 19349, 21108, 22867, 26598, 31662, 38698, 39897, 45734, 53196, 54529, 58047, 63324, 68601, 77396, 79794, 91468, 109058, 116094, 137202, 159588, 163587, 174141, 205803, 218116, 232188, 251537, 274404, 327174, 348282, 411606, 490761, 503074, 599819, 654348, 696564, 708877, 754611, 823212, 981522, 1006148, 1199638, 1417754, 1509222, 1799457, 1963044, 2126631, 2263833, 2399276, 2835508, 3018444, 3598914, 4253262, 4527666, 5398371, 6379893, 7197828, 7797647, 8506524, 9055332, 10796742, 12759786, 15595294, 21593484, 23392941, 25519572, 31190588, 46785882, 70178823, 93571764, 140357646, 280715292]

約数ペア:

[(1, 280715292), (2, 140357646), (3, 93571764), (4, 70178823), (6, 46785882), (9, 31190588), (11, 25519572), (12, 23392941), (13, 21593484), (18, 15595294), (22, 12759786), (26, 10796742), (31, 9055332), (33, 8506524), (36, 7797647), (39, 7197828), (44, 6379893), (52, 5398371), (62, 4527666), (66, 4253262), (78, 3598914), (93, 3018444), (99, 2835508), (117, 2399276), (124, 2263833), (132, 2126631), (143, 1963044), (156, 1799457), (186, 1509222), (198, 1417754), (234, 1199638), (279, 1006148), (286, 981522), (341, 823212), (372, 754611), (396, 708877), (403, 696564), (429, 654348), (468, 599819), (558, 503074), (572, 490761), (682, 411606), (806, 348282), (858, 327174), (1023, 274404), (1116, 251537), (1209, 232188), (1287, 218116), (1364, 205803), (1612, 174141), (1716, 163587), (1759, 159588), (2046, 137202), (2418, 116094), (2574, 109058), (3069, 91468), (3518, 79794), (3627, 77396), (4092, 68601), (4433, 63324), (4836, 58047), (5148, 54529), (5277, 53196), (6138, 45734), (7036, 39897), (7254, 38698), (8866, 31662), (10554, 26598), (12276, 22867), (13299, 21108), (14508, 19349), (15831, 17732)]