68765240

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{479}}^1$

素因数の和:624

約数の個数: 64

約数和(自身を含む): 160876800

約数和(自身を除く): 92111560

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 97, 148, 185, 194, 296, 370, 388, 479, 485, 740, 776, 958, 970, 1480, 1916, 1940, 2395, 3589, 3832, 3880, 4790, 7178, 9580, 14356, 17723, 17945, 19160, 28712, 35446, 35890, 46463, 70892, 71780, 88615, 92926, 141784, 143560, 177230, 185852, 232315, 354460, 371704, 464630, 708920, 929260, 1719131, 1858520, 3438262, 6876524, 8595655, 13753048, 17191310, 34382620, 68765240]

約数ペア:

[(1, 68765240), (2, 34382620), (4, 17191310), (5, 13753048), (8, 8595655), (10, 6876524), (20, 3438262), (37, 1858520), (40, 1719131), (74, 929260), (97, 708920), (148, 464630), (185, 371704), (194, 354460), (296, 232315), (370, 185852), (388, 177230), (479, 143560), (485, 141784), (740, 92926), (776, 88615), (958, 71780), (970, 70892), (1480, 46463), (1916, 35890), (1940, 35446), (2395, 28712), (3589, 19160), (3832, 17945), (3880, 17723), (4790, 14356), (7178, 9580)]