66920320

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{3373}}^1$

素因数の和:3423

約数の個数: 64

約数和(自身を含む): 165191040

約数和(自身を除く): 98270720

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, 3373, 3968, 4960, 6746, 9920, 13492, 16865, 19840, 26984, 33730, 53968, 67460, 104563, 107936, 134920, 209126, 215872, 269840, 418252, 431744, 522815, 539680, 836504, 1045630, 1079360, 1673008, 2091260, 2158720, 3346016, 4182520, 6692032, 8365040, 13384064, 16730080, 33460160, 66920320]

約数ペア:

[(1, 66920320), (2, 33460160), (4, 16730080), (5, 13384064), (8, 8365040), (10, 6692032), (16, 4182520), (20, 3346016), (31, 2158720), (32, 2091260), (40, 1673008), (62, 1079360), (64, 1045630), (80, 836504), (124, 539680), (128, 522815), (155, 431744), (160, 418252), (248, 269840), (310, 215872), (320, 209126), (496, 134920), (620, 107936), (640, 104563), (992, 67460), (1240, 53968), (1984, 33730), (2480, 26984), (3373, 19840), (3968, 16865), (4960, 13492), (6746, 9920)]