31208520

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{701}}^1$

素因数の和:775

約数の個数: 128

約数和(自身を含む): 109175040

約数和(自身を除く): 77966520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 53, 56, 60, 70, 84, 105, 106, 120, 140, 159, 168, 210, 212, 265, 280, 318, 371, 420, 424, 530, 636, 701, 742, 795, 840, 1060, 1113, 1272, 1402, 1484, 1590, 1855, 2103, 2120, 2226, 2804, 2968, 3180, 3505, 3710, 4206, 4452, 4907, 5565, 5608, 6360, 7010, 7420, 8412, 8904, 9814, 10515, 11130, 14020, 14721, 14840, 16824, 19628, 21030, 22260, 24535, 28040, 29442, 37153, 39256, 42060, 44520, 49070, 58884, 73605, 74306, 84120, 98140, 111459, 117768, 147210, 148612, 185765, 196280, 222918, 260071, 294420, 297224, 371530, 445836, 520142, 557295, 588840, 743060, 780213, 891672, 1040284, 1114590, 1300355, 1486120, 1560426, 2080568, 2229180, 2600710, 3120852, 3901065, 4458360, 5201420, 6241704, 7802130, 10402840, 15604260, 31208520]

約数ペア:

[(1, 31208520), (2, 15604260), (3, 10402840), (4, 7802130), (5, 6241704), (6, 5201420), (7, 4458360), (8, 3901065), (10, 3120852), (12, 2600710), (14, 2229180), (15, 2080568), (20, 1560426), (21, 1486120), (24, 1300355), (28, 1114590), (30, 1040284), (35, 891672), (40, 780213), (42, 743060), (53, 588840), (56, 557295), (60, 520142), (70, 445836), (84, 371530), (105, 297224), (106, 294420), (120, 260071), (140, 222918), (159, 196280), (168, 185765), (210, 148612), (212, 147210), (265, 117768), (280, 111459), (318, 98140), (371, 84120), (420, 74306), (424, 73605), (530, 58884), (636, 49070), (701, 44520), (742, 42060), (795, 39256), (840, 37153), (1060, 29442), (1113, 28040), (1272, 24535), (1402, 22260), (1484, 21030), (1590, 19628), (1855, 16824), (2103, 14840), (2120, 14721), (2226, 14020), (2804, 11130), (2968, 10515), (3180, 9814), (3505, 8904), (3710, 8412), (4206, 7420), (4452, 7010), (4907, 6360), (5565, 5608)]