31979160

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{211}}^1\times {\mathrm{421}}^1$

素因数の和:649

約数の個数: 96

約数和(自身を含む): 104672880

約数和(自身を除く): 72693720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 211, 360, 421, 422, 633, 842, 844, 1055, 1263, 1266, 1684, 1688, 1899, 2105, 2110, 2526, 2532, 3165, 3368, 3789, 3798, 4210, 4220, 5052, 5064, 6315, 6330, 7578, 7596, 8420, 8440, 9495, 10104, 12630, 12660, 15156, 15192, 16840, 18945, 18990, 25260, 25320, 30312, 37890, 37980, 50520, 75780, 75960, 88831, 151560, 177662, 266493, 355324, 444155, 532986, 710648, 799479, 888310, 1065972, 1332465, 1598958, 1776620, 2131944, 2664930, 3197916, 3553240, 3997395, 5329860, 6395832, 7994790, 10659720, 15989580, 31979160]

約数ペア:

[(1, 31979160), (2, 15989580), (3, 10659720), (4, 7994790), (5, 6395832), (6, 5329860), (8, 3997395), (9, 3553240), (10, 3197916), (12, 2664930), (15, 2131944), (18, 1776620), (20, 1598958), (24, 1332465), (30, 1065972), (36, 888310), (40, 799479), (45, 710648), (60, 532986), (72, 444155), (90, 355324), (120, 266493), (180, 177662), (211, 151560), (360, 88831), (421, 75960), (422, 75780), (633, 50520), (842, 37980), (844, 37890), (1055, 30312), (1263, 25320), (1266, 25260), (1684, 18990), (1688, 18945), (1899, 16840), (2105, 15192), (2110, 15156), (2526, 12660), (2532, 12630), (3165, 10104), (3368, 9495), (3789, 8440), (3798, 8420), (4210, 7596), (4220, 7578), (5052, 6330), (5064, 6315)]