64868700

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{16633}}^1$

素因数の和:16663

約数の個数: 72

約数和(自身を含む): 202136368

約数和(自身を除く): 137267668

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 25, 26, 30, 39, 50, 52, 60, 65, 75, 78, 100, 130, 150, 156, 195, 260, 300, 325, 390, 650, 780, 975, 1300, 1950, 3900, 16633, 33266, 49899, 66532, 83165, 99798, 166330, 199596, 216229, 249495, 332660, 415825, 432458, 498990, 648687, 831650, 864916, 997980, 1081145, 1247475, 1297374, 1663300, 2162290, 2494950, 2594748, 3243435, 4324580, 4989900, 5405725, 6486870, 10811450, 12973740, 16217175, 21622900, 32434350, 64868700]

約数ペア:

[(1, 64868700), (2, 32434350), (3, 21622900), (4, 16217175), (5, 12973740), (6, 10811450), (10, 6486870), (12, 5405725), (13, 4989900), (15, 4324580), (20, 3243435), (25, 2594748), (26, 2494950), (30, 2162290), (39, 1663300), (50, 1297374), (52, 1247475), (60, 1081145), (65, 997980), (75, 864916), (78, 831650), (100, 648687), (130, 498990), (150, 432458), (156, 415825), (195, 332660), (260, 249495), (300, 216229), (325, 199596), (390, 166330), (650, 99798), (780, 83165), (975, 66532), (1300, 49899), (1950, 33266), (3900, 16633)]