245481960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{19861}}^1$

素因数の和:19978

約数の個数: 64

約数和(自身を含む): 743633280

約数和(自身を除く): 498151320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 103, 120, 206, 309, 412, 515, 618, 824, 1030, 1236, 1545, 2060, 2472, 3090, 4120, 6180, 12360, 19861, 39722, 59583, 79444, 99305, 119166, 158888, 198610, 238332, 297915, 397220, 476664, 595830, 794440, 1191660, 2045683, 2383320, 4091366, 6137049, 8182732, 10228415, 12274098, 16365464, 20456830, 24548196, 30685245, 40913660, 49096392, 61370490, 81827320, 122740980, 245481960]

約数ペア:

[(1, 245481960), (2, 122740980), (3, 81827320), (4, 61370490), (5, 49096392), (6, 40913660), (8, 30685245), (10, 24548196), (12, 20456830), (15, 16365464), (20, 12274098), (24, 10228415), (30, 8182732), (40, 6137049), (60, 4091366), (103, 2383320), (120, 2045683), (206, 1191660), (309, 794440), (412, 595830), (515, 476664), (618, 397220), (824, 297915), (1030, 238332), (1236, 198610), (1545, 158888), (2060, 119166), (2472, 99305), (3090, 79444), (4120, 59583), (6180, 39722), (12360, 19861)]