268742720

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{27091}}^1$

素因数の和:27139

約数の個数: 56

約数和(自身を含む): 660611328

約数和(自身を除く): 391868608

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 155, 160, 248, 310, 320, 496, 620, 992, 1240, 1984, 2480, 4960, 9920, 27091, 54182, 108364, 135455, 216728, 270910, 433456, 541820, 839821, 866912, 1083640, 1679642, 1733824, 2167280, 3359284, 4199105, 4334560, 6718568, 8398210, 8669120, 13437136, 16796420, 26874272, 33592840, 53748544, 67185680, 134371360, 268742720]

約数ペア:

[(1, 268742720), (2, 134371360), (4, 67185680), (5, 53748544), (8, 33592840), (10, 26874272), (16, 16796420), (20, 13437136), (31, 8669120), (32, 8398210), (40, 6718568), (62, 4334560), (64, 4199105), (80, 3359284), (124, 2167280), (155, 1733824), (160, 1679642), (248, 1083640), (310, 866912), (320, 839821), (496, 541820), (620, 433456), (992, 270910), (1240, 216728), (1984, 135455), (2480, 108364), (4960, 54182), (9920, 27091)]