77778420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{27581}}^1$

素因数の和:27640

約数の個数: 48

約数和(自身を含む): 222421248

約数和(自身を除く): 144642828

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 47, 60, 94, 141, 188, 235, 282, 470, 564, 705, 940, 1410, 2820, 27581, 55162, 82743, 110324, 137905, 165486, 275810, 330972, 413715, 551620, 827430, 1296307, 1654860, 2592614, 3888921, 5185228, 6481535, 7777842, 12963070, 15555684, 19444605, 25926140, 38889210, 77778420]

約数ペア:

[(1, 77778420), (2, 38889210), (3, 25926140), (4, 19444605), (5, 15555684), (6, 12963070), (10, 7777842), (12, 6481535), (15, 5185228), (20, 3888921), (30, 2592614), (47, 1654860), (60, 1296307), (94, 827430), (141, 551620), (188, 413715), (235, 330972), (282, 275810), (470, 165486), (564, 137905), (705, 110324), (940, 82743), (1410, 55162), (2820, 27581)]