163939720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{317}}^1\times {\mathrm{1847}}^1$

素因数の和:2182

約数の個数: 64

約数和(自身を含む): 423118080

約数和(自身を除く): 259178360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 317, 634, 1268, 1585, 1847, 2219, 2536, 3170, 3694, 4438, 6340, 7388, 8876, 9235, 11095, 12680, 12929, 14776, 17752, 18470, 22190, 25858, 36940, 44380, 51716, 64645, 73880, 88760, 103432, 129290, 258580, 517160, 585499, 1170998, 2341996, 2927495, 4098493, 4683992, 5854990, 8196986, 11709980, 16393972, 20492465, 23419960, 32787944, 40984930, 81969860, 163939720]

約数ペア:

[(1, 163939720), (2, 81969860), (4, 40984930), (5, 32787944), (7, 23419960), (8, 20492465), (10, 16393972), (14, 11709980), (20, 8196986), (28, 5854990), (35, 4683992), (40, 4098493), (56, 2927495), (70, 2341996), (140, 1170998), (280, 585499), (317, 517160), (634, 258580), (1268, 129290), (1585, 103432), (1847, 88760), (2219, 73880), (2536, 64645), (3170, 51716), (3694, 44380), (4438, 36940), (6340, 25858), (7388, 22190), (8876, 18470), (9235, 17752), (11095, 14776), (12680, 12929)]