30245720

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{2341}}^1$

素因数の和:2388

約数の個数: 64

約数和(自身を含む): 75880800

約数和(自身を除く): 45635080

約数列:

[1, 2, 4, 5, 8, 10, 17, 19, 20, 34, 38, 40, 68, 76, 85, 95, 136, 152, 170, 190, 323, 340, 380, 646, 680, 760, 1292, 1615, 2341, 2584, 3230, 4682, 6460, 9364, 11705, 12920, 18728, 23410, 39797, 44479, 46820, 79594, 88958, 93640, 159188, 177916, 198985, 222395, 318376, 355832, 397970, 444790, 756143, 795940, 889580, 1512286, 1591880, 1779160, 3024572, 3780715, 6049144, 7561430, 15122860, 30245720]

約数ペア:

[(1, 30245720), (2, 15122860), (4, 7561430), (5, 6049144), (8, 3780715), (10, 3024572), (17, 1779160), (19, 1591880), (20, 1512286), (34, 889580), (38, 795940), (40, 756143), (68, 444790), (76, 397970), (85, 355832), (95, 318376), (136, 222395), (152, 198985), (170, 177916), (190, 159188), (323, 93640), (340, 88958), (380, 79594), (646, 46820), (680, 44479), (760, 39797), (1292, 23410), (1615, 18728), (2341, 12920), (2584, 11705), (3230, 9364), (4682, 6460)]