1720237040

素因数分解:

$2^4\times 5^1\times {\mathrm{59}}^1\times {\mathrm{281}}^1\times {\mathrm{1297}}^1$

素因数の和:1650

約数の個数: 80

約数和(自身を含む): 4084961760

約数和(自身を除く): 2364724720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 59, 80, 118, 236, 281, 295, 472, 562, 590, 944, 1124, 1180, 1297, 1405, 2248, 2360, 2594, 2810, 4496, 4720, 5188, 5620, 6485, 10376, 11240, 12970, 16579, 20752, 22480, 25940, 33158, 51880, 66316, 76523, 82895, 103760, 132632, 153046, 165790, 265264, 306092, 331580, 364457, 382615, 612184, 663160, 728914, 765230, 1224368, 1326320, 1457828, 1530460, 1822285, 2915656, 3060920, 3644570, 5831312, 6121840, 7289140, 14578280, 21502963, 29156560, 43005926, 86011852, 107514815, 172023704, 215029630, 344047408, 430059260, 860118520, 1720237040]

約数ペア:

[(1, 1720237040), (2, 860118520), (4, 430059260), (5, 344047408), (8, 215029630), (10, 172023704), (16, 107514815), (20, 86011852), (40, 43005926), (59, 29156560), (80, 21502963), (118, 14578280), (236, 7289140), (281, 6121840), (295, 5831312), (472, 3644570), (562, 3060920), (590, 2915656), (944, 1822285), (1124, 1530460), (1180, 1457828), (1297, 1326320), (1405, 1224368), (2248, 765230), (2360, 728914), (2594, 663160), (2810, 612184), (4496, 382615), (4720, 364457), (5188, 331580), (5620, 306092), (6485, 265264), (10376, 165790), (11240, 153046), (12970, 132632), (16579, 103760), (20752, 82895), (22480, 76523), (25940, 66316), (33158, 51880)]