71813340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{167}}^1\times {\mathrm{2389}}^1$

素因数の和:2571

約数の個数: 72

約数和(自身を含む): 219229920

約数和(自身を除く): 147416580

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 167, 180, 334, 501, 668, 835, 1002, 1503, 1670, 2004, 2389, 2505, 3006, 3340, 4778, 5010, 6012, 7167, 7515, 9556, 10020, 11945, 14334, 15030, 21501, 23890, 28668, 30060, 35835, 43002, 47780, 71670, 86004, 107505, 143340, 215010, 398963, 430020, 797926, 1196889, 1595852, 1994815, 2393778, 3590667, 3989630, 4787556, 5984445, 7181334, 7979260, 11968890, 14362668, 17953335, 23937780, 35906670, 71813340]

約数ペア:

[(1, 71813340), (2, 35906670), (3, 23937780), (4, 17953335), (5, 14362668), (6, 11968890), (9, 7979260), (10, 7181334), (12, 5984445), (15, 4787556), (18, 3989630), (20, 3590667), (30, 2393778), (36, 1994815), (45, 1595852), (60, 1196889), (90, 797926), (167, 430020), (180, 398963), (334, 215010), (501, 143340), (668, 107505), (835, 86004), (1002, 71670), (1503, 47780), (1670, 43002), (2004, 35835), (2389, 30060), (2505, 28668), (3006, 23890), (3340, 21501), (4778, 15030), (5010, 14334), (6012, 11945), (7167, 10020), (7515, 9556)]