65256420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{41}}^2\times {\mathrm{647}}^1$

素因数の和:741

約数の個数: 72

約数和(自身を含む): 187572672

約数和(自身を除く): 122316252

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 41, 60, 82, 123, 164, 205, 246, 410, 492, 615, 647, 820, 1230, 1294, 1681, 1941, 2460, 2588, 3235, 3362, 3882, 5043, 6470, 6724, 7764, 8405, 9705, 10086, 12940, 16810, 19410, 20172, 25215, 26527, 33620, 38820, 50430, 53054, 79581, 100860, 106108, 132635, 159162, 265270, 318324, 397905, 530540, 795810, 1087607, 1591620, 2175214, 3262821, 4350428, 5438035, 6525642, 10876070, 13051284, 16314105, 21752140, 32628210, 65256420]

約数ペア:

[(1, 65256420), (2, 32628210), (3, 21752140), (4, 16314105), (5, 13051284), (6, 10876070), (10, 6525642), (12, 5438035), (15, 4350428), (20, 3262821), (30, 2175214), (41, 1591620), (60, 1087607), (82, 795810), (123, 530540), (164, 397905), (205, 318324), (246, 265270), (410, 159162), (492, 132635), (615, 106108), (647, 100860), (820, 79581), (1230, 53054), (1294, 50430), (1681, 38820), (1941, 33620), (2460, 26527), (2588, 25215), (3235, 20172), (3362, 19410), (3882, 16810), (5043, 12940), (6470, 10086), (6724, 9705), (7764, 8405)]