138302080

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{30871}}^1$

素因数の和:30897

約数の個数: 64

約数和(自身を含む): 377873280

約数和(自身を除く): 239571200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 280, 320, 448, 560, 640, 896, 1120, 2240, 4480, 30871, 61742, 123484, 154355, 216097, 246968, 308710, 432194, 493936, 617420, 864388, 987872, 1080485, 1234840, 1728776, 1975744, 2160970, 2469680, 3457552, 3951488, 4321940, 4939360, 6915104, 8643880, 9878720, 13830208, 17287760, 19757440, 27660416, 34575520, 69151040, 138302080]

約数ペア:

[(1, 138302080), (2, 69151040), (4, 34575520), (5, 27660416), (7, 19757440), (8, 17287760), (10, 13830208), (14, 9878720), (16, 8643880), (20, 6915104), (28, 4939360), (32, 4321940), (35, 3951488), (40, 3457552), (56, 2469680), (64, 2160970), (70, 1975744), (80, 1728776), (112, 1234840), (128, 1080485), (140, 987872), (160, 864388), (224, 617420), (280, 493936), (320, 432194), (448, 308710), (560, 246968), (640, 216097), (896, 154355), (1120, 123484), (2240, 61742), (4480, 30871)]