68776272640

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1733273}}^1$

素因数の和:1733325

約数の個数: 72

約数和(自身を含む): 170054978688

約数和(自身を除く): 101278706048

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, 1984, 2480, 3968, 4960, 7936, 9920, 19840, 39680, 1733273, 3466546, 6933092, 8666365, 13866184, 17332730, 27732368, 34665460, 53731463, 55464736, 69330920, 107462926, 110929472, 138661840, 214925852, 221858944, 268657315, 277323680, 429851704, 443717888, 537314630, 554647360, 859703408, 1074629260, 1109294720, 1719406816, 2149258520, 2218589440, 3438813632, 4298517040, 6877627264, 8597034080, 13755254528, 17194068160, 34388136320, 68776272640]

約数ペア:

[(1, 68776272640), (2, 34388136320), (4, 17194068160), (5, 13755254528), (8, 8597034080), (10, 6877627264), (16, 4298517040), (20, 3438813632), (31, 2218589440), (32, 2149258520), (40, 1719406816), (62, 1109294720), (64, 1074629260), (80, 859703408), (124, 554647360), (128, 537314630), (155, 443717888), (160, 429851704), (248, 277323680), (256, 268657315), (310, 221858944), (320, 214925852), (496, 138661840), (620, 110929472), (640, 107462926), (992, 69330920), (1240, 55464736), (1280, 53731463), (1984, 34665460), (2480, 27732368), (3968, 17332730), (4960, 13866184), (7936, 8666365), (9920, 6933092), (19840, 3466546), (39680, 1733273)]