1020870

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1$

素因数の和:234

約数の個数: 64

約数和(自身を含む): 2880000

約数和(自身を除く): 1859130

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 27, 30, 38, 45, 54, 57, 90, 95, 114, 135, 171, 190, 199, 270, 285, 342, 398, 513, 570, 597, 855, 995, 1026, 1194, 1710, 1791, 1990, 2565, 2985, 3582, 3781, 5130, 5373, 5970, 7562, 8955, 10746, 11343, 17910, 18905, 22686, 26865, 34029, 37810, 53730, 56715, 68058, 102087, 113430, 170145, 204174, 340290, 510435, 1020870]

約数ペア:

[(1, 1020870), (2, 510435), (3, 340290), (5, 204174), (6, 170145), (9, 113430), (10, 102087), (15, 68058), (18, 56715), (19, 53730), (27, 37810), (30, 34029), (38, 26865), (45, 22686), (54, 18905), (57, 17910), (90, 11343), (95, 10746), (114, 8955), (135, 7562), (171, 5970), (190, 5373), (199, 5130), (270, 3781), (285, 3582), (342, 2985), (398, 2565), (513, 1990), (570, 1791), (597, 1710), (855, 1194), (995, 1026)]