72331280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{227}}^1\times {\mathrm{569}}^1$

素因数の和:816

約数の個数: 80

約数和(自身を含む): 193380480

約数和(自身を除く): 121049200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 227, 280, 454, 560, 569, 908, 1135, 1138, 1589, 1816, 2270, 2276, 2845, 3178, 3632, 3983, 4540, 4552, 5690, 6356, 7945, 7966, 9080, 9104, 11380, 12712, 15890, 15932, 18160, 19915, 22760, 25424, 31780, 31864, 39830, 45520, 63560, 63728, 79660, 127120, 129163, 159320, 258326, 318640, 516652, 645815, 904141, 1033304, 1291630, 1808282, 2066608, 2583260, 3616564, 4520705, 5166520, 7233128, 9041410, 10333040, 14466256, 18082820, 36165640, 72331280]

約数ペア:

[(1, 72331280), (2, 36165640), (4, 18082820), (5, 14466256), (7, 10333040), (8, 9041410), (10, 7233128), (14, 5166520), (16, 4520705), (20, 3616564), (28, 2583260), (35, 2066608), (40, 1808282), (56, 1291630), (70, 1033304), (80, 904141), (112, 645815), (140, 516652), (227, 318640), (280, 258326), (454, 159320), (560, 129163), (569, 127120), (908, 79660), (1135, 63728), (1138, 63560), (1589, 45520), (1816, 39830), (2270, 31864), (2276, 31780), (2845, 25424), (3178, 22760), (3632, 19915), (3983, 18160), (4540, 15932), (4552, 15890), (5690, 12712), (6356, 11380), (7945, 9104), (7966, 9080)]