817367731480

素因数分解:

$2^3\times 5^1\times {\mathrm{163}}^1\times {\mathrm{769}}^1\times {\mathrm{163021}}^1$

素因数の和:163964

約数の個数: 64

約数和(自身を含む): 1852777634400

約数和(自身を除く): 1035409902920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 163, 326, 652, 769, 815, 1304, 1538, 1630, 3076, 3260, 3845, 6152, 6520, 7690, 15380, 30760, 125347, 163021, 250694, 326042, 501388, 626735, 652084, 815105, 1002776, 1253470, 1304168, 1630210, 2506940, 3260420, 5013880, 6520840, 26572423, 53144846, 106289692, 125363149, 132862115, 212579384, 250726298, 265724230, 501452596, 531448460, 626815745, 1002905192, 1062896920, 1253631490, 2507262980, 5014525960, 20434193287, 40868386574, 81736773148, 102170966435, 163473546296, 204341932870, 408683865740, 817367731480]

約数ペア:

[(1, 817367731480), (2, 408683865740), (4, 204341932870), (5, 163473546296), (8, 102170966435), (10, 81736773148), (20, 40868386574), (40, 20434193287), (163, 5014525960), (326, 2507262980), (652, 1253631490), (769, 1062896920), (815, 1002905192), (1304, 626815745), (1538, 531448460), (1630, 501452596), (3076, 265724230), (3260, 250726298), (3845, 212579384), (6152, 132862115), (6520, 125363149), (7690, 106289692), (15380, 53144846), (30760, 26572423), (125347, 6520840), (163021, 5013880), (250694, 3260420), (326042, 2506940), (501388, 1630210), (626735, 1304168), (652084, 1253470), (815105, 1002776)]