87388840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{1669}}^1$

素因数の和:1715

約数の個数: 128

約数和(自身を含む): 259718400

約数和(自身を除く): 172329560

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 17, 20, 22, 28, 34, 35, 40, 44, 55, 56, 68, 70, 77, 85, 88, 110, 119, 136, 140, 154, 170, 187, 220, 238, 280, 308, 340, 374, 385, 440, 476, 595, 616, 680, 748, 770, 935, 952, 1190, 1309, 1496, 1540, 1669, 1870, 2380, 2618, 3080, 3338, 3740, 4760, 5236, 6545, 6676, 7480, 8345, 10472, 11683, 13090, 13352, 16690, 18359, 23366, 26180, 28373, 33380, 36718, 46732, 52360, 56746, 58415, 66760, 73436, 91795, 93464, 113492, 116830, 128513, 141865, 146872, 183590, 198611, 226984, 233660, 257026, 283730, 312103, 367180, 397222, 467320, 514052, 567460, 624206, 642565, 734360, 794444, 993055, 1028104, 1134920, 1248412, 1285130, 1560515, 1588888, 1986110, 2184721, 2496824, 2570260, 3121030, 3972220, 4369442, 5140520, 6242060, 7944440, 8738884, 10923605, 12484120, 17477768, 21847210, 43694420, 87388840]

約数ペア:

[(1, 87388840), (2, 43694420), (4, 21847210), (5, 17477768), (7, 12484120), (8, 10923605), (10, 8738884), (11, 7944440), (14, 6242060), (17, 5140520), (20, 4369442), (22, 3972220), (28, 3121030), (34, 2570260), (35, 2496824), (40, 2184721), (44, 1986110), (55, 1588888), (56, 1560515), (68, 1285130), (70, 1248412), (77, 1134920), (85, 1028104), (88, 993055), (110, 794444), (119, 734360), (136, 642565), (140, 624206), (154, 567460), (170, 514052), (187, 467320), (220, 397222), (238, 367180), (280, 312103), (308, 283730), (340, 257026), (374, 233660), (385, 226984), (440, 198611), (476, 183590), (595, 146872), (616, 141865), (680, 128513), (748, 116830), (770, 113492), (935, 93464), (952, 91795), (1190, 73436), (1309, 66760), (1496, 58415), (1540, 56746), (1669, 52360), (1870, 46732), (2380, 36718), (2618, 33380), (3080, 28373), (3338, 26180), (3740, 23366), (4760, 18359), (5236, 16690), (6545, 13352), (6676, 13090), (7480, 11683), (8345, 10472)]