31387140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{4253}}^1$

素因数の和:4309

約数の個数: 72

約数和(自身を含む): 97552728

約数和(自身を除く): 66165588

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 41, 45, 60, 82, 90, 123, 164, 180, 205, 246, 369, 410, 492, 615, 738, 820, 1230, 1476, 1845, 2460, 3690, 4253, 7380, 8506, 12759, 17012, 21265, 25518, 38277, 42530, 51036, 63795, 76554, 85060, 127590, 153108, 174373, 191385, 255180, 348746, 382770, 523119, 697492, 765540, 871865, 1046238, 1569357, 1743730, 2092476, 2615595, 3138714, 3487460, 5231190, 6277428, 7846785, 10462380, 15693570, 31387140]

約数ペア:

[(1, 31387140), (2, 15693570), (3, 10462380), (4, 7846785), (5, 6277428), (6, 5231190), (9, 3487460), (10, 3138714), (12, 2615595), (15, 2092476), (18, 1743730), (20, 1569357), (30, 1046238), (36, 871865), (41, 765540), (45, 697492), (60, 523119), (82, 382770), (90, 348746), (123, 255180), (164, 191385), (180, 174373), (205, 153108), (246, 127590), (369, 85060), (410, 76554), (492, 63795), (615, 51036), (738, 42530), (820, 38277), (1230, 25518), (1476, 21265), (1845, 17012), (2460, 12759), (3690, 8506), (4253, 7380)]