68765440

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1733}}^1$

素因数の和:1785

約数の個数: 72

約数和(自身を含む): 170126208

約数和(自身を除く): 101360768

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 496, 620, 640, 992, 1240, 1280, 1733, 1984, 2480, 3466, 3968, 4960, 6932, 7936, 8665, 9920, 13864, 17330, 19840, 27728, 34660, 39680, 53723, 55456, 69320, 107446, 110912, 138640, 214892, 221824, 268615, 277280, 429784, 443648, 537230, 554560, 859568, 1074460, 1109120, 1719136, 2148920, 2218240, 3438272, 4297840, 6876544, 8595680, 13753088, 17191360, 34382720, 68765440]

約数ペア:

[(1, 68765440), (2, 34382720), (4, 17191360), (5, 13753088), (8, 8595680), (10, 6876544), (16, 4297840), (20, 3438272), (31, 2218240), (32, 2148920), (40, 1719136), (62, 1109120), (64, 1074460), (80, 859568), (124, 554560), (128, 537230), (155, 443648), (160, 429784), (248, 277280), (256, 268615), (310, 221824), (320, 214892), (496, 138640), (620, 110912), (640, 107446), (992, 69320), (1240, 55456), (1280, 53723), (1733, 39680), (1984, 34660), (2480, 27728), (3466, 19840), (3968, 17330), (4960, 13864), (6932, 9920), (7936, 8665)]