260287920

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{361511}}^1$

素因数の和:361530

約数の個数: 60

約数和(自身を含む): 874136016

約数和(自身を除く): 613848096

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 361511, 723022, 1084533, 1446044, 1807555, 2169066, 2892088, 3253599, 3615110, 4338132, 5422665, 5784176, 6507198, 7230220, 8676264, 10845330, 13014396, 14460440, 16267995, 17352528, 21690660, 26028792, 28920880, 32535990, 43381320, 52057584, 65071980, 86762640, 130143960, 260287920]

約数ペア:

[(1, 260287920), (2, 130143960), (3, 86762640), (4, 65071980), (5, 52057584), (6, 43381320), (8, 32535990), (9, 28920880), (10, 26028792), (12, 21690660), (15, 17352528), (16, 16267995), (18, 14460440), (20, 13014396), (24, 10845330), (30, 8676264), (36, 7230220), (40, 6507198), (45, 5784176), (48, 5422665), (60, 4338132), (72, 3615110), (80, 3253599), (90, 2892088), (120, 2169066), (144, 1807555), (180, 1446044), (240, 1084533), (360, 723022), (720, 361511)]