30798040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{8461}}^1$

素因数の和:8492

約数の個数: 64

約数和(自身を含む): 85296960

約数和(自身を除く): 54498920

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 182, 260, 280, 364, 455, 520, 728, 910, 1820, 3640, 8461, 16922, 33844, 42305, 59227, 67688, 84610, 109993, 118454, 169220, 219986, 236908, 296135, 338440, 439972, 473816, 549965, 592270, 769951, 879944, 1099930, 1184540, 1539902, 2199860, 2369080, 3079804, 3849755, 4399720, 6159608, 7699510, 15399020, 30798040]

約数ペア:

[(1, 30798040), (2, 15399020), (4, 7699510), (5, 6159608), (7, 4399720), (8, 3849755), (10, 3079804), (13, 2369080), (14, 2199860), (20, 1539902), (26, 1184540), (28, 1099930), (35, 879944), (40, 769951), (52, 592270), (56, 549965), (65, 473816), (70, 439972), (91, 338440), (104, 296135), (130, 236908), (140, 219986), (182, 169220), (260, 118454), (280, 109993), (364, 84610), (455, 67688), (520, 59227), (728, 42305), (910, 33844), (1820, 16922), (3640, 8461)]