15198780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{43}}^2\times {\mathrm{137}}^1$

素因数の和:235

約数の個数: 72

約数和(自身を含む): 43887312

約数和(自身を除く): 28688532

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 43, 60, 86, 129, 137, 172, 215, 258, 274, 411, 430, 516, 548, 645, 685, 822, 860, 1290, 1370, 1644, 1849, 2055, 2580, 2740, 3698, 4110, 5547, 5891, 7396, 8220, 9245, 11094, 11782, 17673, 18490, 22188, 23564, 27735, 29455, 35346, 36980, 55470, 58910, 70692, 88365, 110940, 117820, 176730, 253313, 353460, 506626, 759939, 1013252, 1266565, 1519878, 2533130, 3039756, 3799695, 5066260, 7599390, 15198780]

約数ペア:

[(1, 15198780), (2, 7599390), (3, 5066260), (4, 3799695), (5, 3039756), (6, 2533130), (10, 1519878), (12, 1266565), (15, 1013252), (20, 759939), (30, 506626), (43, 353460), (60, 253313), (86, 176730), (129, 117820), (137, 110940), (172, 88365), (215, 70692), (258, 58910), (274, 55470), (411, 36980), (430, 35346), (516, 29455), (548, 27735), (645, 23564), (685, 22188), (822, 18490), (860, 17673), (1290, 11782), (1370, 11094), (1644, 9245), (1849, 8220), (2055, 7396), (2580, 5891), (2740, 5547), (3698, 4110)]