861501720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{71081}}^1$

素因数の和:71196

約数の個数: 64

約数和(自身を含む): 2610131040

約数和(自身を除く): 1748629320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 101, 120, 202, 303, 404, 505, 606, 808, 1010, 1212, 1515, 2020, 2424, 3030, 4040, 6060, 12120, 71081, 142162, 213243, 284324, 355405, 426486, 568648, 710810, 852972, 1066215, 1421620, 1705944, 2132430, 2843240, 4264860, 7179181, 8529720, 14358362, 21537543, 28716724, 35895905, 43075086, 57433448, 71791810, 86150172, 107687715, 143583620, 172300344, 215375430, 287167240, 430750860, 861501720]

約数ペア:

[(1, 861501720), (2, 430750860), (3, 287167240), (4, 215375430), (5, 172300344), (6, 143583620), (8, 107687715), (10, 86150172), (12, 71791810), (15, 57433448), (20, 43075086), (24, 35895905), (30, 28716724), (40, 21537543), (60, 14358362), (101, 8529720), (120, 7179181), (202, 4264860), (303, 2843240), (404, 2132430), (505, 1705944), (606, 1421620), (808, 1066215), (1010, 852972), (1212, 710810), (1515, 568648), (2020, 426486), (2424, 355405), (3030, 284324), (4040, 213243), (6060, 142162), (12120, 71081)]