201911520

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{401}}^1\times {\mathrm{1049}}^1$

素因数の和:1468

約数の個数: 96

約数和(自身を含む): 638215200

約数和(自身を除く): 436303680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 401, 480, 802, 1049, 1203, 1604, 2005, 2098, 2406, 3147, 3208, 4010, 4196, 4812, 5245, 6015, 6294, 6416, 8020, 8392, 9624, 10490, 12030, 12588, 12832, 15735, 16040, 16784, 19248, 20980, 24060, 25176, 31470, 32080, 33568, 38496, 41960, 48120, 50352, 62940, 64160, 83920, 96240, 100704, 125880, 167840, 192480, 251760, 420649, 503520, 841298, 1261947, 1682596, 2103245, 2523894, 3365192, 4206490, 5047788, 6309735, 6730384, 8412980, 10095576, 12619470, 13460768, 16825960, 20191152, 25238940, 33651920, 40382304, 50477880, 67303840, 100955760, 201911520]

約数ペア:

[(1, 201911520), (2, 100955760), (3, 67303840), (4, 50477880), (5, 40382304), (6, 33651920), (8, 25238940), (10, 20191152), (12, 16825960), (15, 13460768), (16, 12619470), (20, 10095576), (24, 8412980), (30, 6730384), (32, 6309735), (40, 5047788), (48, 4206490), (60, 3365192), (80, 2523894), (96, 2103245), (120, 1682596), (160, 1261947), (240, 841298), (401, 503520), (480, 420649), (802, 251760), (1049, 192480), (1203, 167840), (1604, 125880), (2005, 100704), (2098, 96240), (2406, 83920), (3147, 64160), (3208, 62940), (4010, 50352), (4196, 48120), (4812, 41960), (5245, 38496), (6015, 33568), (6294, 32080), (6416, 31470), (8020, 25176), (8392, 24060), (9624, 20980), (10490, 19248), (12030, 16784), (12588, 16040), (12832, 15735)]