178770280

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{2707}}^1$

素因数の和:2858

約数の個数: 64

約数和(自身を含む): 436746240

約数和(自身を除く): 257975960

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 127, 130, 254, 260, 508, 520, 635, 1016, 1270, 1651, 2540, 2707, 3302, 5080, 5414, 6604, 8255, 10828, 13208, 13535, 16510, 21656, 27070, 33020, 35191, 54140, 66040, 70382, 108280, 140764, 175955, 281528, 343789, 351910, 687578, 703820, 1375156, 1407640, 1718945, 2750312, 3437890, 4469257, 6875780, 8938514, 13751560, 17877028, 22346285, 35754056, 44692570, 89385140, 178770280]

約数ペア:

[(1, 178770280), (2, 89385140), (4, 44692570), (5, 35754056), (8, 22346285), (10, 17877028), (13, 13751560), (20, 8938514), (26, 6875780), (40, 4469257), (52, 3437890), (65, 2750312), (104, 1718945), (127, 1407640), (130, 1375156), (254, 703820), (260, 687578), (508, 351910), (520, 343789), (635, 281528), (1016, 175955), (1270, 140764), (1651, 108280), (2540, 70382), (2707, 66040), (3302, 54140), (5080, 35191), (5414, 33020), (6604, 27070), (8255, 21656), (10828, 16510), (13208, 13535)]