645219864

素因数分解:

$2^3\times 3^3\times {\mathrm{31}}^1\times {\mathrm{167}}^1\times {\mathrm{577}}^1$

素因数の和:790

約数の個数: 128

約数和(自身を含む): 1864396800

約数和(自身を除く): 1219176936

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 31, 36, 54, 62, 72, 93, 108, 124, 167, 186, 216, 248, 279, 334, 372, 501, 558, 577, 668, 744, 837, 1002, 1116, 1154, 1336, 1503, 1674, 1731, 2004, 2232, 2308, 3006, 3348, 3462, 4008, 4509, 4616, 5177, 5193, 6012, 6696, 6924, 9018, 10354, 10386, 12024, 13848, 15531, 15579, 17887, 18036, 20708, 20772, 31062, 31158, 35774, 36072, 41416, 41544, 46593, 53661, 62124, 62316, 71548, 93186, 96359, 107322, 124248, 124632, 139779, 143096, 160983, 186372, 192718, 214644, 279558, 289077, 321966, 372744, 385436, 429288, 482949, 559116, 578154, 643932, 770872, 867231, 965898, 1118232, 1156308, 1287864, 1734462, 1931796, 2312616, 2601693, 2987129, 3468924, 3863592, 5203386, 5974258, 6937848, 8961387, 10406772, 11948516, 17922774, 20813544, 23897032, 26884161, 35845548, 53768322, 71691096, 80652483, 107536644, 161304966, 215073288, 322609932, 645219864]

約数ペア:

[(1, 645219864), (2, 322609932), (3, 215073288), (4, 161304966), (6, 107536644), (8, 80652483), (9, 71691096), (12, 53768322), (18, 35845548), (24, 26884161), (27, 23897032), (31, 20813544), (36, 17922774), (54, 11948516), (62, 10406772), (72, 8961387), (93, 6937848), (108, 5974258), (124, 5203386), (167, 3863592), (186, 3468924), (216, 2987129), (248, 2601693), (279, 2312616), (334, 1931796), (372, 1734462), (501, 1287864), (558, 1156308), (577, 1118232), (668, 965898), (744, 867231), (837, 770872), (1002, 643932), (1116, 578154), (1154, 559116), (1336, 482949), (1503, 429288), (1674, 385436), (1731, 372744), (2004, 321966), (2232, 289077), (2308, 279558), (3006, 214644), (3348, 192718), (3462, 186372), (4008, 160983), (4509, 143096), (4616, 139779), (5177, 124632), (5193, 124248), (6012, 107322), (6696, 96359), (6924, 93186), (9018, 71548), (10354, 62316), (10386, 62124), (12024, 53661), (13848, 46593), (15531, 41544), (15579, 41416), (17887, 36072), (18036, 35774), (20708, 31158), (20772, 31062)]