31997220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{13007}}^1$

素因数の和:13060

約数の個数: 48

約数和(自身を含む): 91784448

約数和(自身を除く): 59787228

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 41, 60, 82, 123, 164, 205, 246, 410, 492, 615, 820, 1230, 2460, 13007, 26014, 39021, 52028, 65035, 78042, 130070, 156084, 195105, 260140, 390210, 533287, 780420, 1066574, 1599861, 2133148, 2666435, 3199722, 5332870, 6399444, 7999305, 10665740, 15998610, 31997220]

約数ペア:

[(1, 31997220), (2, 15998610), (3, 10665740), (4, 7999305), (5, 6399444), (6, 5332870), (10, 3199722), (12, 2666435), (15, 2133148), (20, 1599861), (30, 1066574), (41, 780420), (60, 533287), (82, 390210), (123, 260140), (164, 195105), (205, 156084), (246, 130070), (410, 78042), (492, 65035), (615, 52028), (820, 39021), (1230, 26014), (2460, 13007)]