8820280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{109}}^1$

素因数の和:161

約数の個数: 96

約数和(自身を含む): 24314400

約数和(自身を除く): 15494120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 34, 35, 40, 56, 68, 70, 85, 109, 119, 136, 140, 170, 218, 238, 280, 289, 340, 436, 476, 545, 578, 595, 680, 763, 872, 952, 1090, 1156, 1190, 1445, 1526, 1853, 2023, 2180, 2312, 2380, 2890, 3052, 3706, 3815, 4046, 4360, 4760, 5780, 6104, 7412, 7630, 8092, 9265, 10115, 11560, 12971, 14824, 15260, 16184, 18530, 20230, 25942, 30520, 31501, 37060, 40460, 51884, 63002, 64855, 74120, 80920, 103768, 126004, 129710, 157505, 220507, 252008, 259420, 315010, 441014, 518840, 630020, 882028, 1102535, 1260040, 1764056, 2205070, 4410140, 8820280]

約数ペア:

[(1, 8820280), (2, 4410140), (4, 2205070), (5, 1764056), (7, 1260040), (8, 1102535), (10, 882028), (14, 630020), (17, 518840), (20, 441014), (28, 315010), (34, 259420), (35, 252008), (40, 220507), (56, 157505), (68, 129710), (70, 126004), (85, 103768), (109, 80920), (119, 74120), (136, 64855), (140, 63002), (170, 51884), (218, 40460), (238, 37060), (280, 31501), (289, 30520), (340, 25942), (436, 20230), (476, 18530), (545, 16184), (578, 15260), (595, 14824), (680, 12971), (763, 11560), (872, 10115), (952, 9265), (1090, 8092), (1156, 7630), (1190, 7412), (1445, 6104), (1526, 5780), (1853, 4760), (2023, 4360), (2180, 4046), (2312, 3815), (2380, 3706), (2890, 3052)]