642731544

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1721}}^1$

素因数の和:1775

約数の個数: 256

約数和(自身を含む): 2314368000

約数和(自身を除く): 1671636456

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 18, 19, 21, 24, 26, 27, 28, 36, 38, 39, 42, 52, 54, 56, 57, 63, 72, 76, 78, 84, 91, 104, 108, 114, 117, 126, 133, 152, 156, 168, 171, 182, 189, 216, 228, 234, 247, 252, 266, 273, 312, 342, 351, 364, 378, 399, 456, 468, 494, 504, 513, 532, 546, 684, 702, 728, 741, 756, 798, 819, 936, 988, 1026, 1064, 1092, 1197, 1368, 1404, 1482, 1512, 1596, 1638, 1721, 1729, 1976, 2052, 2184, 2223, 2394, 2457, 2808, 2964, 3192, 3276, 3442, 3458, 3591, 4104, 4446, 4788, 4914, 5163, 5187, 5928, 6552, 6669, 6884, 6916, 7182, 8892, 9576, 9828, 10326, 10374, 12047, 13338, 13768, 13832, 14364, 15489, 15561, 17784, 19656, 20652, 20748, 22373, 24094, 26676, 28728, 30978, 31122, 32699, 36141, 41304, 41496, 44746, 46467, 46683, 48188, 53352, 61956, 62244, 65398, 67119, 72282, 89492, 92934, 93366, 96376, 98097, 108423, 123912, 124488, 130796, 134238, 144564, 156611, 178984, 185868, 186732, 196194, 201357, 216846, 228893, 261592, 268476, 289128, 294291, 313222, 325269, 371736, 373464, 392388, 402714, 425087, 433692, 457786, 469833, 536952, 588582, 604071, 626444, 650538, 686679, 784776, 805428, 850174, 867384, 882873, 915572, 939666, 1177164, 1208142, 1252888, 1275261, 1301076, 1373358, 1409499, 1610856, 1700348, 1765746, 1831144, 1879332, 2060037, 2354328, 2416284, 2550522, 2602152, 2746716, 2818998, 2975609, 3400696, 3531492, 3758664, 3825783, 4120074, 4228497, 4832568, 5101044, 5493432, 5637996, 5951218, 6180111, 7062984, 7651566, 8240148, 8456994, 8926827, 10202088, 11275992, 11477349, 11902436, 12360222, 15303132, 16480296, 16913988, 17853654, 22954698, 23804872, 24720444, 26780481, 30606264, 33827976, 35707308, 45909396, 49440888, 53560962, 71414616, 80341443, 91818792, 107121924, 160682886, 214243848, 321365772, 642731544]

約数ペア:

[(1, 642731544), (2, 321365772), (3, 214243848), (4, 160682886), (6, 107121924), (7, 91818792), (8, 80341443), (9, 71414616), (12, 53560962), (13, 49440888), (14, 45909396), (18, 35707308), (19, 33827976), (21, 30606264), (24, 26780481), (26, 24720444), (27, 23804872), (28, 22954698), (36, 17853654), (38, 16913988), (39, 16480296), (42, 15303132), (52, 12360222), (54, 11902436), (56, 11477349), (57, 11275992), (63, 10202088), (72, 8926827), (76, 8456994), (78, 8240148), (84, 7651566), (91, 7062984), (104, 6180111), (108, 5951218), (114, 5637996), (117, 5493432), (126, 5101044), (133, 4832568), (152, 4228497), (156, 4120074), (168, 3825783), (171, 3758664), (182, 3531492), (189, 3400696), (216, 2975609), (228, 2818998), (234, 2746716), (247, 2602152), (252, 2550522), (266, 2416284), (273, 2354328), (312, 2060037), (342, 1879332), (351, 1831144), (364, 1765746), (378, 1700348), (399, 1610856), (456, 1409499), (468, 1373358), (494, 1301076), (504, 1275261), (513, 1252888), (532, 1208142), (546, 1177164), (684, 939666), (702, 915572), (728, 882873), (741, 867384), (756, 850174), (798, 805428), (819, 784776), (936, 686679), (988, 650538), (1026, 626444), (1064, 604071), (1092, 588582), (1197, 536952), (1368, 469833), (1404, 457786), (1482, 433692), (1512, 425087), (1596, 402714), (1638, 392388), (1721, 373464), (1729, 371736), (1976, 325269), (2052, 313222), (2184, 294291), (2223, 289128), (2394, 268476), (2457, 261592), (2808, 228893), (2964, 216846), (3192, 201357), (3276, 196194), (3442, 186732), (3458, 185868), (3591, 178984), (4104, 156611), (4446, 144564), (4788, 134238), (4914, 130796), (5163, 124488), (5187, 123912), (5928, 108423), (6552, 98097), (6669, 96376), (6884, 93366), (6916, 92934), (7182, 89492), (8892, 72282), (9576, 67119), (9828, 65398), (10326, 62244), (10374, 61956), (12047, 53352), (13338, 48188), (13768, 46683), (13832, 46467), (14364, 44746), (15489, 41496), (15561, 41304), (17784, 36141), (19656, 32699), (20652, 31122), (20748, 30978), (22373, 28728), (24094, 26676)]