398530620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{331}}^1\times {\mathrm{6689}}^1$

素因数の和:7035

約数の個数: 72

約数和(自身を含む): 1212709680

約数和(自身を除く): 814179060

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 331, 662, 993, 1324, 1655, 1986, 2979, 3310, 3972, 4965, 5958, 6620, 6689, 9930, 11916, 13378, 14895, 19860, 20067, 26756, 29790, 33445, 40134, 59580, 60201, 66890, 80268, 100335, 120402, 133780, 200670, 240804, 301005, 401340, 602010, 1204020, 2214059, 4428118, 6642177, 8856236, 11070295, 13284354, 19926531, 22140590, 26568708, 33210885, 39853062, 44281180, 66421770, 79706124, 99632655, 132843540, 199265310, 398530620]

約数ペア:

[(1, 398530620), (2, 199265310), (3, 132843540), (4, 99632655), (5, 79706124), (6, 66421770), (9, 44281180), (10, 39853062), (12, 33210885), (15, 26568708), (18, 22140590), (20, 19926531), (30, 13284354), (36, 11070295), (45, 8856236), (60, 6642177), (90, 4428118), (180, 2214059), (331, 1204020), (662, 602010), (993, 401340), (1324, 301005), (1655, 240804), (1986, 200670), (2979, 133780), (3310, 120402), (3972, 100335), (4965, 80268), (5958, 66890), (6620, 60201), (6689, 59580), (9930, 40134), (11916, 33445), (13378, 29790), (14895, 26756), (19860, 20067)]