128720340

素因数分解:

$2^2\times 3^4\times 5^1\times 7^1\times {\mathrm{11351}}^1$

素因数の和:11379

約数の個数: 120

約数和(自身を含む): 461526912

約数和(自身を除く): 332806572

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 81, 84, 90, 105, 108, 126, 135, 140, 162, 180, 189, 210, 252, 270, 315, 324, 378, 405, 420, 540, 567, 630, 756, 810, 945, 1134, 1260, 1620, 1890, 2268, 2835, 3780, 5670, 11340, 11351, 22702, 34053, 45404, 56755, 68106, 79457, 102159, 113510, 136212, 158914, 170265, 204318, 227020, 238371, 306477, 317828, 340530, 397285, 408636, 476742, 510795, 612954, 681060, 715113, 794570, 919431, 953484, 1021590, 1191855, 1225908, 1430226, 1532385, 1589140, 1838862, 2043180, 2145339, 2383710, 2860452, 3064770, 3575565, 3677724, 4290678, 4597155, 4767420, 6129540, 6436017, 7151130, 8581356, 9194310, 10726695, 12872034, 14302260, 18388620, 21453390, 25744068, 32180085, 42906780, 64360170, 128720340]

約数ペア:

[(1, 128720340), (2, 64360170), (3, 42906780), (4, 32180085), (5, 25744068), (6, 21453390), (7, 18388620), (9, 14302260), (10, 12872034), (12, 10726695), (14, 9194310), (15, 8581356), (18, 7151130), (20, 6436017), (21, 6129540), (27, 4767420), (28, 4597155), (30, 4290678), (35, 3677724), (36, 3575565), (42, 3064770), (45, 2860452), (54, 2383710), (60, 2145339), (63, 2043180), (70, 1838862), (81, 1589140), (84, 1532385), (90, 1430226), (105, 1225908), (108, 1191855), (126, 1021590), (135, 953484), (140, 919431), (162, 794570), (180, 715113), (189, 681060), (210, 612954), (252, 510795), (270, 476742), (315, 408636), (324, 397285), (378, 340530), (405, 317828), (420, 306477), (540, 238371), (567, 227020), (630, 204318), (756, 170265), (810, 158914), (945, 136212), (1134, 113510), (1260, 102159), (1620, 79457), (1890, 68106), (2268, 56755), (2835, 45404), (3780, 34053), (5670, 22702), (11340, 11351)]