128905020

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{1693}}^1$

素因数の和:1761

約数の個数: 120

約数和(自身を含む): 413227584

約数和(自身を除く): 284322564

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 47, 54, 60, 81, 90, 94, 108, 135, 141, 162, 180, 188, 235, 270, 282, 324, 405, 423, 470, 540, 564, 705, 810, 846, 940, 1269, 1410, 1620, 1692, 1693, 2115, 2538, 2820, 3386, 3807, 4230, 5076, 5079, 6345, 6772, 7614, 8460, 8465, 10158, 12690, 15228, 15237, 16930, 19035, 20316, 25380, 25395, 30474, 33860, 38070, 45711, 50790, 60948, 76140, 76185, 79571, 91422, 101580, 137133, 152370, 159142, 182844, 228555, 238713, 274266, 304740, 318284, 397855, 457110, 477426, 548532, 685665, 716139, 795710, 914220, 954852, 1193565, 1371330, 1432278, 1591420, 2148417, 2387130, 2742660, 2864556, 3580695, 4296834, 4774260, 6445251, 7161390, 8593668, 10742085, 12890502, 14322780, 21484170, 25781004, 32226255, 42968340, 64452510, 128905020]

約数ペア:

[(1, 128905020), (2, 64452510), (3, 42968340), (4, 32226255), (5, 25781004), (6, 21484170), (9, 14322780), (10, 12890502), (12, 10742085), (15, 8593668), (18, 7161390), (20, 6445251), (27, 4774260), (30, 4296834), (36, 3580695), (45, 2864556), (47, 2742660), (54, 2387130), (60, 2148417), (81, 1591420), (90, 1432278), (94, 1371330), (108, 1193565), (135, 954852), (141, 914220), (162, 795710), (180, 716139), (188, 685665), (235, 548532), (270, 477426), (282, 457110), (324, 397855), (405, 318284), (423, 304740), (470, 274266), (540, 238713), (564, 228555), (705, 182844), (810, 159142), (846, 152370), (940, 137133), (1269, 101580), (1410, 91422), (1620, 79571), (1692, 76185), (1693, 76140), (2115, 60948), (2538, 50790), (2820, 45711), (3386, 38070), (3807, 33860), (4230, 30474), (5076, 25395), (5079, 25380), (6345, 20316), (6772, 19035), (7614, 16930), (8460, 15237), (8465, 15228), (10158, 12690)]