90891684

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{181}}^1$

素因数の和:270

約数の個数: 144

約数和(自身を含む): 264329520

約数和(自身を除く): 173437836

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 29, 36, 37, 39, 52, 58, 74, 78, 87, 111, 116, 117, 148, 156, 174, 181, 222, 234, 261, 333, 348, 362, 377, 444, 468, 481, 522, 543, 666, 724, 754, 962, 1044, 1073, 1086, 1131, 1332, 1443, 1508, 1629, 1924, 2146, 2172, 2262, 2353, 2886, 3219, 3258, 3393, 4292, 4329, 4524, 4706, 5249, 5772, 6438, 6516, 6697, 6786, 7059, 8658, 9412, 9657, 10498, 12876, 13394, 13572, 13949, 14118, 15747, 17316, 19314, 20091, 20996, 21177, 26788, 27898, 28236, 31494, 38628, 40182, 41847, 42354, 47241, 55796, 60273, 62988, 68237, 80364, 83694, 84708, 87061, 94482, 120546, 125541, 136474, 167388, 174122, 188964, 194213, 204711, 241092, 251082, 261183, 272948, 348244, 388426, 409422, 502164, 522366, 582639, 614133, 776852, 783549, 818844, 1044732, 1165278, 1228266, 1567098, 1747917, 2330556, 2456532, 2524769, 3134196, 3495834, 5049538, 6991668, 7574307, 10099076, 15148614, 22722921, 30297228, 45445842, 90891684]

約数ペア:

[(1, 90891684), (2, 45445842), (3, 30297228), (4, 22722921), (6, 15148614), (9, 10099076), (12, 7574307), (13, 6991668), (18, 5049538), (26, 3495834), (29, 3134196), (36, 2524769), (37, 2456532), (39, 2330556), (52, 1747917), (58, 1567098), (74, 1228266), (78, 1165278), (87, 1044732), (111, 818844), (116, 783549), (117, 776852), (148, 614133), (156, 582639), (174, 522366), (181, 502164), (222, 409422), (234, 388426), (261, 348244), (333, 272948), (348, 261183), (362, 251082), (377, 241092), (444, 204711), (468, 194213), (481, 188964), (522, 174122), (543, 167388), (666, 136474), (724, 125541), (754, 120546), (962, 94482), (1044, 87061), (1073, 84708), (1086, 83694), (1131, 80364), (1332, 68237), (1443, 62988), (1508, 60273), (1629, 55796), (1924, 47241), (2146, 42354), (2172, 41847), (2262, 40182), (2353, 38628), (2886, 31494), (3219, 28236), (3258, 27898), (3393, 26788), (4292, 21177), (4329, 20996), (4524, 20091), (4706, 19314), (5249, 17316), (5772, 15747), (6438, 14118), (6516, 13949), (6697, 13572), (6786, 13394), (7059, 12876), (8658, 10498), (9412, 9657)]