1282206420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{647579}}^1$

素因数の和:647605

約数の個数: 72

約数和(自身を含む): 4242944160

約数和(自身を除く): 2960737740

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 647579, 1295158, 1942737, 2590316, 3237895, 3885474, 5828211, 6475790, 7123369, 7770948, 9713685, 11656422, 12951580, 14246738, 19427370, 21370107, 23312844, 28493476, 29141055, 35616845, 38854740, 42740214, 58282110, 64110321, 71233690, 85480428, 106850535, 116564220, 128220642, 142467380, 213701070, 256441284, 320551605, 427402140, 641103210, 1282206420]

約数ペア:

[(1, 1282206420), (2, 641103210), (3, 427402140), (4, 320551605), (5, 256441284), (6, 213701070), (9, 142467380), (10, 128220642), (11, 116564220), (12, 106850535), (15, 85480428), (18, 71233690), (20, 64110321), (22, 58282110), (30, 42740214), (33, 38854740), (36, 35616845), (44, 29141055), (45, 28493476), (55, 23312844), (60, 21370107), (66, 19427370), (90, 14246738), (99, 12951580), (110, 11656422), (132, 9713685), (165, 7770948), (180, 7123369), (198, 6475790), (220, 5828211), (330, 3885474), (396, 3237895), (495, 2590316), (660, 1942737), (990, 1295158), (1980, 647579)]