268160720

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{269}}^1\times {\mathrm{733}}^1$

素因数の和:1032

約数の個数: 80

約数和(自身を含む): 663506640

約数和(自身を除く): 395345920

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 269, 272, 340, 538, 680, 733, 1076, 1345, 1360, 1466, 2152, 2690, 2932, 3665, 4304, 4573, 5380, 5864, 7330, 9146, 10760, 11728, 12461, 14660, 18292, 21520, 22865, 24922, 29320, 36584, 45730, 49844, 58640, 62305, 73168, 91460, 99688, 124610, 182920, 197177, 199376, 249220, 365840, 394354, 498440, 788708, 985885, 996880, 1577416, 1971770, 3154832, 3352009, 3943540, 6704018, 7887080, 13408036, 15774160, 16760045, 26816072, 33520090, 53632144, 67040180, 134080360, 268160720]

約数ペア:

[(1, 268160720), (2, 134080360), (4, 67040180), (5, 53632144), (8, 33520090), (10, 26816072), (16, 16760045), (17, 15774160), (20, 13408036), (34, 7887080), (40, 6704018), (68, 3943540), (80, 3352009), (85, 3154832), (136, 1971770), (170, 1577416), (269, 996880), (272, 985885), (340, 788708), (538, 498440), (680, 394354), (733, 365840), (1076, 249220), (1345, 199376), (1360, 197177), (1466, 182920), (2152, 124610), (2690, 99688), (2932, 91460), (3665, 73168), (4304, 62305), (4573, 58640), (5380, 49844), (5864, 45730), (7330, 36584), (9146, 29320), (10760, 24922), (11728, 22865), (12461, 21520), (14660, 18292)]