8738520

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{103}}^1$

素因数の和:225

約数の個数: 128

約数和(自身を含む): 30551040

約数和(自身を除く): 21812520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 101, 103, 105, 120, 140, 168, 202, 206, 210, 280, 303, 309, 404, 412, 420, 505, 515, 606, 618, 707, 721, 808, 824, 840, 1010, 1030, 1212, 1236, 1414, 1442, 1515, 1545, 2020, 2060, 2121, 2163, 2424, 2472, 2828, 2884, 3030, 3090, 3535, 3605, 4040, 4120, 4242, 4326, 5656, 5768, 6060, 6180, 7070, 7210, 8484, 8652, 10403, 10605, 10815, 12120, 12360, 14140, 14420, 16968, 17304, 20806, 21210, 21630, 28280, 28840, 31209, 41612, 42420, 43260, 52015, 62418, 72821, 83224, 84840, 86520, 104030, 124836, 145642, 156045, 208060, 218463, 249672, 291284, 312090, 364105, 416120, 436926, 582568, 624180, 728210, 873852, 1092315, 1248360, 1456420, 1747704, 2184630, 2912840, 4369260, 8738520]

約数ペア:

[(1, 8738520), (2, 4369260), (3, 2912840), (4, 2184630), (5, 1747704), (6, 1456420), (7, 1248360), (8, 1092315), (10, 873852), (12, 728210), (14, 624180), (15, 582568), (20, 436926), (21, 416120), (24, 364105), (28, 312090), (30, 291284), (35, 249672), (40, 218463), (42, 208060), (56, 156045), (60, 145642), (70, 124836), (84, 104030), (101, 86520), (103, 84840), (105, 83224), (120, 72821), (140, 62418), (168, 52015), (202, 43260), (206, 42420), (210, 41612), (280, 31209), (303, 28840), (309, 28280), (404, 21630), (412, 21210), (420, 20806), (505, 17304), (515, 16968), (606, 14420), (618, 14140), (707, 12360), (721, 12120), (808, 10815), (824, 10605), (840, 10403), (1010, 8652), (1030, 8484), (1212, 7210), (1236, 7070), (1414, 6180), (1442, 6060), (1515, 5768), (1545, 5656), (2020, 4326), (2060, 4242), (2121, 4120), (2163, 4040), (2424, 3605), (2472, 3535), (2828, 3090), (2884, 3030)]