640933488

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^1\times {\mathrm{342379}}^1$

素因数の和:342406

約数の個数: 60

約数和(自身を含む): 1931707960

約数和(自身を除く): 1290774472

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 36, 39, 48, 52, 72, 78, 104, 117, 144, 156, 208, 234, 312, 468, 624, 936, 1872, 342379, 684758, 1027137, 1369516, 2054274, 2739032, 3081411, 4108548, 4450927, 5478064, 6162822, 8217096, 8901854, 12325644, 13352781, 16434192, 17803708, 24651288, 26705562, 35607416, 40058343, 49302576, 53411124, 71214832, 80116686, 106822248, 160233372, 213644496, 320466744, 640933488]

約数ペア:

[(1, 640933488), (2, 320466744), (3, 213644496), (4, 160233372), (6, 106822248), (8, 80116686), (9, 71214832), (12, 53411124), (13, 49302576), (16, 40058343), (18, 35607416), (24, 26705562), (26, 24651288), (36, 17803708), (39, 16434192), (48, 13352781), (52, 12325644), (72, 8901854), (78, 8217096), (104, 6162822), (117, 5478064), (144, 4450927), (156, 4108548), (208, 3081411), (234, 2739032), (312, 2054274), (468, 1369516), (624, 1027137), (936, 684758), (1872, 342379)]