51221640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{127}}^1\times {\mathrm{3361}}^1$

素因数の和:3502

約数の個数: 64

約数和(自身を含む): 154920960

約数和(自身を除く): 103699320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 127, 254, 381, 508, 635, 762, 1016, 1270, 1524, 1905, 2540, 3048, 3361, 3810, 5080, 6722, 7620, 10083, 13444, 15240, 16805, 20166, 26888, 33610, 40332, 50415, 67220, 80664, 100830, 134440, 201660, 403320, 426847, 853694, 1280541, 1707388, 2134235, 2561082, 3414776, 4268470, 5122164, 6402705, 8536940, 10244328, 12805410, 17073880, 25610820, 51221640]

約数ペア:

[(1, 51221640), (2, 25610820), (3, 17073880), (4, 12805410), (5, 10244328), (6, 8536940), (8, 6402705), (10, 5122164), (12, 4268470), (15, 3414776), (20, 2561082), (24, 2134235), (30, 1707388), (40, 1280541), (60, 853694), (120, 426847), (127, 403320), (254, 201660), (381, 134440), (508, 100830), (635, 80664), (762, 67220), (1016, 50415), (1270, 40332), (1524, 33610), (1905, 26888), (2540, 20166), (3048, 16805), (3361, 15240), (3810, 13444), (5080, 10083), (6722, 7620)]