64981260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{7681}}^1$

素因数の和:7743

約数の個数: 72

約数和(自身を含む): 201329856

約数和(自身を除く): 136348596

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 47, 60, 90, 94, 141, 180, 188, 235, 282, 423, 470, 564, 705, 846, 940, 1410, 1692, 2115, 2820, 4230, 7681, 8460, 15362, 23043, 30724, 38405, 46086, 69129, 76810, 92172, 115215, 138258, 153620, 230430, 276516, 345645, 361007, 460860, 691290, 722014, 1083021, 1382580, 1444028, 1805035, 2166042, 3249063, 3610070, 4332084, 5415105, 6498126, 7220140, 10830210, 12996252, 16245315, 21660420, 32490630, 64981260]

約数ペア:

[(1, 64981260), (2, 32490630), (3, 21660420), (4, 16245315), (5, 12996252), (6, 10830210), (9, 7220140), (10, 6498126), (12, 5415105), (15, 4332084), (18, 3610070), (20, 3249063), (30, 2166042), (36, 1805035), (45, 1444028), (47, 1382580), (60, 1083021), (90, 722014), (94, 691290), (141, 460860), (180, 361007), (188, 345645), (235, 276516), (282, 230430), (423, 153620), (470, 138258), (564, 115215), (705, 92172), (846, 76810), (940, 69129), (1410, 46086), (1692, 38405), (2115, 30724), (2820, 23043), (4230, 15362), (7681, 8460)]