215803240

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{3391}}^1$

素因数の和:3482

約数の個数: 64

約数和(自身を含む): 510428160

約数和(自身を除く): 294624920

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 43, 74, 86, 148, 172, 185, 215, 296, 344, 370, 430, 740, 860, 1480, 1591, 1720, 3182, 3391, 6364, 6782, 7955, 12728, 13564, 15910, 16955, 27128, 31820, 33910, 63640, 67820, 125467, 135640, 145813, 250934, 291626, 501868, 583252, 627335, 729065, 1003736, 1166504, 1254670, 1458130, 2509340, 2916260, 5018680, 5395081, 5832520, 10790162, 21580324, 26975405, 43160648, 53950810, 107901620, 215803240]

約数ペア:

[(1, 215803240), (2, 107901620), (4, 53950810), (5, 43160648), (8, 26975405), (10, 21580324), (20, 10790162), (37, 5832520), (40, 5395081), (43, 5018680), (74, 2916260), (86, 2509340), (148, 1458130), (172, 1254670), (185, 1166504), (215, 1003736), (296, 729065), (344, 627335), (370, 583252), (430, 501868), (740, 291626), (860, 250934), (1480, 145813), (1591, 135640), (1720, 125467), (3182, 67820), (3391, 63640), (6364, 33910), (6782, 31820), (7955, 27128), (12728, 16955), (13564, 15910)]