51408180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{3209}}^1$

素因数の和:3313

約数の個数: 72

約数和(自身を含む): 157739400

約数和(自身を除く): 106331220

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 89, 90, 178, 180, 267, 356, 445, 534, 801, 890, 1068, 1335, 1602, 1780, 2670, 3204, 3209, 4005, 5340, 6418, 8010, 9627, 12836, 16020, 16045, 19254, 28881, 32090, 38508, 48135, 57762, 64180, 96270, 115524, 144405, 192540, 285601, 288810, 571202, 577620, 856803, 1142404, 1428005, 1713606, 2570409, 2856010, 3427212, 4284015, 5140818, 5712020, 8568030, 10281636, 12852045, 17136060, 25704090, 51408180]

約数ペア:

[(1, 51408180), (2, 25704090), (3, 17136060), (4, 12852045), (5, 10281636), (6, 8568030), (9, 5712020), (10, 5140818), (12, 4284015), (15, 3427212), (18, 2856010), (20, 2570409), (30, 1713606), (36, 1428005), (45, 1142404), (60, 856803), (89, 577620), (90, 571202), (178, 288810), (180, 285601), (267, 192540), (356, 144405), (445, 115524), (534, 96270), (801, 64180), (890, 57762), (1068, 48135), (1335, 38508), (1602, 32090), (1780, 28881), (2670, 19254), (3204, 16045), (3209, 16020), (4005, 12836), (5340, 9627), (6418, 8010)]