31141260

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{409}}^1$

素因数の和:477

約数の個数: 120

約数和(自身を含む): 100013760

約数和(自身を除く): 68872500

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 47, 54, 60, 81, 90, 94, 108, 135, 141, 162, 180, 188, 235, 270, 282, 324, 405, 409, 423, 470, 540, 564, 705, 810, 818, 846, 940, 1227, 1269, 1410, 1620, 1636, 1692, 2045, 2115, 2454, 2538, 2820, 3681, 3807, 4090, 4230, 4908, 5076, 6135, 6345, 7362, 7614, 8180, 8460, 11043, 12270, 12690, 14724, 15228, 18405, 19035, 19223, 22086, 24540, 25380, 33129, 36810, 38070, 38446, 44172, 55215, 57669, 66258, 73620, 76140, 76892, 96115, 110430, 115338, 132516, 165645, 173007, 192230, 220860, 230676, 288345, 331290, 346014, 384460, 519021, 576690, 662580, 692028, 865035, 1038042, 1153380, 1557063, 1730070, 2076084, 2595105, 3114126, 3460140, 5190210, 6228252, 7785315, 10380420, 15570630, 31141260]

約数ペア:

[(1, 31141260), (2, 15570630), (3, 10380420), (4, 7785315), (5, 6228252), (6, 5190210), (9, 3460140), (10, 3114126), (12, 2595105), (15, 2076084), (18, 1730070), (20, 1557063), (27, 1153380), (30, 1038042), (36, 865035), (45, 692028), (47, 662580), (54, 576690), (60, 519021), (81, 384460), (90, 346014), (94, 331290), (108, 288345), (135, 230676), (141, 220860), (162, 192230), (180, 173007), (188, 165645), (235, 132516), (270, 115338), (282, 110430), (324, 96115), (405, 76892), (409, 76140), (423, 73620), (470, 66258), (540, 57669), (564, 55215), (705, 44172), (810, 38446), (818, 38070), (846, 36810), (940, 33129), (1227, 25380), (1269, 24540), (1410, 22086), (1620, 19223), (1636, 19035), (1692, 18405), (2045, 15228), (2115, 14724), (2454, 12690), (2538, 12270), (2820, 11043), (3681, 8460), (3807, 8180), (4090, 7614), (4230, 7362), (4908, 6345), (5076, 6135)]