17720120

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1$

素因数の和:165

約数の個数: 128

約数和(自身を含む): 48522240

約数和(自身を除く): 30802120

約数列:

[1, 2, 4, 5, 8, 10, 11, 17, 20, 22, 23, 34, 40, 44, 46, 55, 68, 85, 88, 92, 103, 110, 115, 136, 170, 184, 187, 206, 220, 230, 253, 340, 374, 391, 412, 440, 460, 506, 515, 680, 748, 782, 824, 920, 935, 1012, 1030, 1133, 1265, 1496, 1564, 1751, 1870, 1955, 2024, 2060, 2266, 2369, 2530, 3128, 3502, 3740, 3910, 4120, 4301, 4532, 4738, 5060, 5665, 7004, 7480, 7820, 8602, 8755, 9064, 9476, 10120, 11330, 11845, 14008, 15640, 17204, 17510, 18952, 19261, 21505, 22660, 23690, 26059, 34408, 35020, 38522, 40273, 43010, 45320, 47380, 52118, 70040, 77044, 80546, 86020, 94760, 96305, 104236, 130295, 154088, 161092, 172040, 192610, 201365, 208472, 260590, 322184, 385220, 402730, 443003, 521180, 770440, 805460, 886006, 1042360, 1610920, 1772012, 2215015, 3544024, 4430030, 8860060, 17720120]

約数ペア:

[(1, 17720120), (2, 8860060), (4, 4430030), (5, 3544024), (8, 2215015), (10, 1772012), (11, 1610920), (17, 1042360), (20, 886006), (22, 805460), (23, 770440), (34, 521180), (40, 443003), (44, 402730), (46, 385220), (55, 322184), (68, 260590), (85, 208472), (88, 201365), (92, 192610), (103, 172040), (110, 161092), (115, 154088), (136, 130295), (170, 104236), (184, 96305), (187, 94760), (206, 86020), (220, 80546), (230, 77044), (253, 70040), (340, 52118), (374, 47380), (391, 45320), (412, 43010), (440, 40273), (460, 38522), (506, 35020), (515, 34408), (680, 26059), (748, 23690), (782, 22660), (824, 21505), (920, 19261), (935, 18952), (1012, 17510), (1030, 17204), (1133, 15640), (1265, 14008), (1496, 11845), (1564, 11330), (1751, 10120), (1870, 9476), (1955, 9064), (2024, 8755), (2060, 8602), (2266, 7820), (2369, 7480), (2530, 7004), (3128, 5665), (3502, 5060), (3740, 4738), (3910, 4532), (4120, 4301)]