128528760

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{163}}^1\times {\mathrm{6571}}^1$

素因数の和:6748

約数の個数: 64

約数和(自身を含む): 388010880

約数和(自身を除く): 259482120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 163, 326, 489, 652, 815, 978, 1304, 1630, 1956, 2445, 3260, 3912, 4890, 6520, 6571, 9780, 13142, 19560, 19713, 26284, 32855, 39426, 52568, 65710, 78852, 98565, 131420, 157704, 197130, 262840, 394260, 788520, 1071073, 2142146, 3213219, 4284292, 5355365, 6426438, 8568584, 10710730, 12852876, 16066095, 21421460, 25705752, 32132190, 42842920, 64264380, 128528760]

約数ペア:

[(1, 128528760), (2, 64264380), (3, 42842920), (4, 32132190), (5, 25705752), (6, 21421460), (8, 16066095), (10, 12852876), (12, 10710730), (15, 8568584), (20, 6426438), (24, 5355365), (30, 4284292), (40, 3213219), (60, 2142146), (120, 1071073), (163, 788520), (326, 394260), (489, 262840), (652, 197130), (815, 157704), (978, 131420), (1304, 98565), (1630, 78852), (1956, 65710), (2445, 52568), (3260, 39426), (3912, 32855), (4890, 26284), (6520, 19713), (6571, 19560), (9780, 13142)]