126440320

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{6373}}^1$

素因数の和:6423

約数の個数: 64

約数和(自身を含む): 312071040

約数和(自身を除く): 185630720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 310, 320, 496, 620, 640, 992, 1240, 1984, 2480, 3968, 4960, 6373, 9920, 12746, 19840, 25492, 31865, 50984, 63730, 101968, 127460, 197563, 203936, 254920, 395126, 407872, 509840, 790252, 815744, 987815, 1019680, 1580504, 1975630, 2039360, 3161008, 3951260, 4078720, 6322016, 7902520, 12644032, 15805040, 25288064, 31610080, 63220160, 126440320]

約数ペア:

[(1, 126440320), (2, 63220160), (4, 31610080), (5, 25288064), (8, 15805040), (10, 12644032), (16, 7902520), (20, 6322016), (31, 4078720), (32, 3951260), (40, 3161008), (62, 2039360), (64, 1975630), (80, 1580504), (124, 1019680), (128, 987815), (155, 815744), (160, 790252), (248, 509840), (310, 407872), (320, 395126), (496, 254920), (620, 203936), (640, 197563), (992, 127460), (1240, 101968), (1984, 63730), (2480, 50984), (3968, 31865), (4960, 25492), (6373, 19840), (9920, 12746)]