255989916

素因数分解:

$2^2\times 3^3\times 7^2\times {\mathrm{13}}^1\times {\mathrm{61}}^2$

素因数の和:162

約数の個数: 216

約数和(自身を含む): 845273520

約数和(自身を除く): 589283604

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 27, 28, 36, 39, 42, 49, 52, 54, 61, 63, 78, 84, 91, 98, 108, 117, 122, 126, 147, 156, 182, 183, 189, 196, 234, 244, 252, 273, 294, 351, 364, 366, 378, 427, 441, 468, 546, 549, 588, 637, 702, 732, 756, 793, 819, 854, 882, 1092, 1098, 1274, 1281, 1323, 1404, 1586, 1638, 1647, 1708, 1764, 1911, 2196, 2379, 2457, 2548, 2562, 2646, 2989, 3172, 3276, 3294, 3721, 3822, 3843, 4758, 4914, 5124, 5292, 5551, 5733, 5978, 6588, 7137, 7442, 7644, 7686, 8967, 9516, 9828, 11102, 11163, 11466, 11529, 11956, 14274, 14884, 15372, 16653, 17199, 17934, 21411, 22204, 22326, 22932, 23058, 26047, 26901, 28548, 33306, 33489, 34398, 35868, 38857, 42822, 44652, 46116, 48373, 49959, 52094, 53802, 66612, 66978, 68796, 77714, 78141, 80703, 85644, 96746, 99918, 100467, 104188, 107604, 116571, 133956, 145119, 149877, 155428, 156282, 161406, 182329, 193492, 199836, 200934, 233142, 234423, 290238, 299754, 312564, 322812, 338611, 349713, 364658, 401868, 435357, 466284, 468846, 546987, 580476, 599508, 677222, 699426, 703269, 729316, 870714, 937692, 1015833, 1049139, 1093974, 1306071, 1354444, 1398852, 1406538, 1640961, 1741428, 2031666, 2098278, 2187948, 2370277, 2612142, 2813076, 3047499, 3281922, 4063332, 4196556, 4740554, 4922883, 5224284, 6094998, 6563844, 7110831, 9142497, 9481108, 9845766, 12189996, 14221662, 18284994, 19691532, 21332493, 28443324, 36569988, 42664986, 63997479, 85329972, 127994958, 255989916]

約数ペア:

[(1, 255989916), (2, 127994958), (3, 85329972), (4, 63997479), (6, 42664986), (7, 36569988), (9, 28443324), (12, 21332493), (13, 19691532), (14, 18284994), (18, 14221662), (21, 12189996), (26, 9845766), (27, 9481108), (28, 9142497), (36, 7110831), (39, 6563844), (42, 6094998), (49, 5224284), (52, 4922883), (54, 4740554), (61, 4196556), (63, 4063332), (78, 3281922), (84, 3047499), (91, 2813076), (98, 2612142), (108, 2370277), (117, 2187948), (122, 2098278), (126, 2031666), (147, 1741428), (156, 1640961), (182, 1406538), (183, 1398852), (189, 1354444), (196, 1306071), (234, 1093974), (244, 1049139), (252, 1015833), (273, 937692), (294, 870714), (351, 729316), (364, 703269), (366, 699426), (378, 677222), (427, 599508), (441, 580476), (468, 546987), (546, 468846), (549, 466284), (588, 435357), (637, 401868), (702, 364658), (732, 349713), (756, 338611), (793, 322812), (819, 312564), (854, 299754), (882, 290238), (1092, 234423), (1098, 233142), (1274, 200934), (1281, 199836), (1323, 193492), (1404, 182329), (1586, 161406), (1638, 156282), (1647, 155428), (1708, 149877), (1764, 145119), (1911, 133956), (2196, 116571), (2379, 107604), (2457, 104188), (2548, 100467), (2562, 99918), (2646, 96746), (2989, 85644), (3172, 80703), (3276, 78141), (3294, 77714), (3721, 68796), (3822, 66978), (3843, 66612), (4758, 53802), (4914, 52094), (5124, 49959), (5292, 48373), (5551, 46116), (5733, 44652), (5978, 42822), (6588, 38857), (7137, 35868), (7442, 34398), (7644, 33489), (7686, 33306), (8967, 28548), (9516, 26901), (9828, 26047), (11102, 23058), (11163, 22932), (11466, 22326), (11529, 22204), (11956, 21411), (14274, 17934), (14884, 17199), (15372, 16653)]