427699840

素因数分解:

$2^7\times 5^1\times {\mathrm{563}}^1\times {\mathrm{1187}}^1$

素因数の和:1769

約数の個数: 64

約数和(自身を含む): 1025148960

約数和(自身を除く): 597449120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 563, 640, 1126, 1187, 2252, 2374, 2815, 4504, 4748, 5630, 5935, 9008, 9496, 11260, 11870, 18016, 18992, 22520, 23740, 36032, 37984, 45040, 47480, 72064, 75968, 90080, 94960, 151936, 180160, 189920, 360320, 379840, 668281, 759680, 1336562, 2673124, 3341405, 5346248, 6682810, 10692496, 13365620, 21384992, 26731240, 42769984, 53462480, 85539968, 106924960, 213849920, 427699840]

約数ペア:

[(1, 427699840), (2, 213849920), (4, 106924960), (5, 85539968), (8, 53462480), (10, 42769984), (16, 26731240), (20, 21384992), (32, 13365620), (40, 10692496), (64, 6682810), (80, 5346248), (128, 3341405), (160, 2673124), (320, 1336562), (563, 759680), (640, 668281), (1126, 379840), (1187, 360320), (2252, 189920), (2374, 180160), (2815, 151936), (4504, 94960), (4748, 90080), (5630, 75968), (5935, 72064), (9008, 47480), (9496, 45040), (11260, 37984), (11870, 36032), (18016, 23740), (18992, 22520)]