87218940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{19913}}^1$

素因数の和:19998

約数の個数: 48

約数和(自身を含む): 247570848

約数和(自身を除く): 160351908

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 73, 146, 219, 292, 365, 438, 730, 876, 1095, 1460, 2190, 4380, 19913, 39826, 59739, 79652, 99565, 119478, 199130, 238956, 298695, 398260, 597390, 1194780, 1453649, 2907298, 4360947, 5814596, 7268245, 8721894, 14536490, 17443788, 21804735, 29072980, 43609470, 87218940]

約数ペア:

[(1, 87218940), (2, 43609470), (3, 29072980), (4, 21804735), (5, 17443788), (6, 14536490), (10, 8721894), (12, 7268245), (15, 5814596), (20, 4360947), (30, 2907298), (60, 1453649), (73, 1194780), (146, 597390), (219, 398260), (292, 298695), (365, 238956), (438, 199130), (730, 119478), (876, 99565), (1095, 79652), (1460, 59739), (2190, 39826), (4380, 19913)]