81898590

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{1061}}^1$

素因数の和:1185

約数の個数: 64

約数和(自身を含む): 205535232

約数和(自身を除く): 123636642

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 31, 62, 83, 93, 155, 166, 186, 249, 310, 415, 465, 498, 830, 930, 1061, 1245, 2122, 2490, 2573, 3183, 5146, 5305, 6366, 7719, 10610, 12865, 15438, 15915, 25730, 31830, 32891, 38595, 65782, 77190, 88063, 98673, 164455, 176126, 197346, 264189, 328910, 440315, 493365, 528378, 880630, 986730, 1320945, 2641890, 2729953, 5459906, 8189859, 13649765, 16379718, 27299530, 40949295, 81898590]

約数ペア:

[(1, 81898590), (2, 40949295), (3, 27299530), (5, 16379718), (6, 13649765), (10, 8189859), (15, 5459906), (30, 2729953), (31, 2641890), (62, 1320945), (83, 986730), (93, 880630), (155, 528378), (166, 493365), (186, 440315), (249, 328910), (310, 264189), (415, 197346), (465, 176126), (498, 164455), (830, 98673), (930, 88063), (1061, 77190), (1245, 65782), (2122, 38595), (2490, 32891), (2573, 31830), (3183, 25730), (5146, 15915), (5305, 15438), (6366, 12865), (7719, 10610)]