128260620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{24571}}^1$

素因数の和:24615

約数の個数: 72

約数和(自身を含む): 402489360

約数和(自身を除く): 274228740

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 29, 30, 36, 45, 58, 60, 87, 90, 116, 145, 174, 180, 261, 290, 348, 435, 522, 580, 870, 1044, 1305, 1740, 2610, 5220, 24571, 49142, 73713, 98284, 122855, 147426, 221139, 245710, 294852, 368565, 442278, 491420, 712559, 737130, 884556, 1105695, 1425118, 1474260, 2137677, 2211390, 2850236, 3562795, 4275354, 4422780, 6413031, 7125590, 8550708, 10688385, 12826062, 14251180, 21376770, 25652124, 32065155, 42753540, 64130310, 128260620]

約数ペア:

[(1, 128260620), (2, 64130310), (3, 42753540), (4, 32065155), (5, 25652124), (6, 21376770), (9, 14251180), (10, 12826062), (12, 10688385), (15, 8550708), (18, 7125590), (20, 6413031), (29, 4422780), (30, 4275354), (36, 3562795), (45, 2850236), (58, 2211390), (60, 2137677), (87, 1474260), (90, 1425118), (116, 1105695), (145, 884556), (174, 737130), (180, 712559), (261, 491420), (290, 442278), (348, 368565), (435, 294852), (522, 245710), (580, 221139), (870, 147426), (1044, 122855), (1305, 98284), (1740, 73713), (2610, 49142), (5220, 24571)]