640311696

素因数分解:

$2^4\times 3^3\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{349}}^1$

素因数の和:534

約数の個数: 160

約数和(自身を含む): 1916544000

約数和(自身を除く): 1276232304

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 31, 36, 48, 54, 62, 72, 93, 108, 124, 137, 144, 186, 216, 248, 274, 279, 349, 372, 411, 432, 496, 548, 558, 698, 744, 822, 837, 1047, 1096, 1116, 1233, 1396, 1488, 1644, 1674, 2094, 2192, 2232, 2466, 2792, 3141, 3288, 3348, 3699, 4188, 4247, 4464, 4932, 5584, 6282, 6576, 6696, 7398, 8376, 8494, 9423, 9864, 10819, 12564, 12741, 13392, 14796, 16752, 16988, 18846, 19728, 21638, 25128, 25482, 29592, 32457, 33976, 37692, 38223, 43276, 47813, 50256, 50964, 59184, 64914, 67952, 75384, 76446, 86552, 95626, 97371, 101928, 114669, 129828, 143439, 150768, 152892, 173104, 191252, 194742, 203856, 229338, 259656, 286878, 292113, 305784, 382504, 389484, 430317, 458676, 519312, 573756, 584226, 611568, 765008, 778968, 860634, 917352, 1147512, 1168452, 1290951, 1482203, 1557936, 1721268, 1834704, 2295024, 2336904, 2581902, 2964406, 3442536, 4446609, 4673808, 5163804, 5928812, 6885072, 8893218, 10327608, 11857624, 13339827, 17786436, 20655216, 23715248, 26679654, 35572872, 40019481, 53359308, 71145744, 80038962, 106718616, 160077924, 213437232, 320155848, 640311696]

約数ペア:

[(1, 640311696), (2, 320155848), (3, 213437232), (4, 160077924), (6, 106718616), (8, 80038962), (9, 71145744), (12, 53359308), (16, 40019481), (18, 35572872), (24, 26679654), (27, 23715248), (31, 20655216), (36, 17786436), (48, 13339827), (54, 11857624), (62, 10327608), (72, 8893218), (93, 6885072), (108, 5928812), (124, 5163804), (137, 4673808), (144, 4446609), (186, 3442536), (216, 2964406), (248, 2581902), (274, 2336904), (279, 2295024), (349, 1834704), (372, 1721268), (411, 1557936), (432, 1482203), (496, 1290951), (548, 1168452), (558, 1147512), (698, 917352), (744, 860634), (822, 778968), (837, 765008), (1047, 611568), (1096, 584226), (1116, 573756), (1233, 519312), (1396, 458676), (1488, 430317), (1644, 389484), (1674, 382504), (2094, 305784), (2192, 292113), (2232, 286878), (2466, 259656), (2792, 229338), (3141, 203856), (3288, 194742), (3348, 191252), (3699, 173104), (4188, 152892), (4247, 150768), (4464, 143439), (4932, 129828), (5584, 114669), (6282, 101928), (6576, 97371), (6696, 95626), (7398, 86552), (8376, 76446), (8494, 75384), (9423, 67952), (9864, 64914), (10819, 59184), (12564, 50964), (12741, 50256), (13392, 47813), (14796, 43276), (16752, 38223), (16988, 37692), (18846, 33976), (19728, 32457), (21638, 29592), (25128, 25482)]