28169680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{269}}^1$

素因数の和:317

約数の個数: 160

約数和(自身を含む): 86780160

約数和(自身を除く): 58610480

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 17, 20, 22, 28, 34, 35, 40, 44, 55, 56, 68, 70, 77, 80, 85, 88, 110, 112, 119, 136, 140, 154, 170, 176, 187, 220, 238, 269, 272, 280, 308, 340, 374, 385, 440, 476, 538, 560, 595, 616, 680, 748, 770, 880, 935, 952, 1076, 1190, 1232, 1309, 1345, 1360, 1496, 1540, 1870, 1883, 1904, 2152, 2380, 2618, 2690, 2959, 2992, 3080, 3740, 3766, 4304, 4573, 4760, 5236, 5380, 5918, 6160, 6545, 7480, 7532, 9146, 9415, 9520, 10472, 10760, 11836, 13090, 14795, 14960, 15064, 18292, 18830, 20713, 20944, 21520, 22865, 23672, 26180, 29590, 30128, 32011, 36584, 37660, 41426, 45730, 47344, 50303, 52360, 59180, 64022, 73168, 75320, 82852, 91460, 100606, 103565, 104720, 118360, 128044, 150640, 160055, 165704, 182920, 201212, 207130, 236720, 251515, 256088, 320110, 331408, 352121, 365840, 402424, 414260, 503030, 512176, 640220, 704242, 804848, 828520, 1006060, 1280440, 1408484, 1657040, 1760605, 2012120, 2560880, 2816968, 3521210, 4024240, 5633936, 7042420, 14084840, 28169680]

約数ペア:

[(1, 28169680), (2, 14084840), (4, 7042420), (5, 5633936), (7, 4024240), (8, 3521210), (10, 2816968), (11, 2560880), (14, 2012120), (16, 1760605), (17, 1657040), (20, 1408484), (22, 1280440), (28, 1006060), (34, 828520), (35, 804848), (40, 704242), (44, 640220), (55, 512176), (56, 503030), (68, 414260), (70, 402424), (77, 365840), (80, 352121), (85, 331408), (88, 320110), (110, 256088), (112, 251515), (119, 236720), (136, 207130), (140, 201212), (154, 182920), (170, 165704), (176, 160055), (187, 150640), (220, 128044), (238, 118360), (269, 104720), (272, 103565), (280, 100606), (308, 91460), (340, 82852), (374, 75320), (385, 73168), (440, 64022), (476, 59180), (538, 52360), (560, 50303), (595, 47344), (616, 45730), (680, 41426), (748, 37660), (770, 36584), (880, 32011), (935, 30128), (952, 29590), (1076, 26180), (1190, 23672), (1232, 22865), (1309, 21520), (1345, 20944), (1360, 20713), (1496, 18830), (1540, 18292), (1870, 15064), (1883, 14960), (1904, 14795), (2152, 13090), (2380, 11836), (2618, 10760), (2690, 10472), (2959, 9520), (2992, 9415), (3080, 9146), (3740, 7532), (3766, 7480), (4304, 6545), (4573, 6160), (4760, 5918), (5236, 5380)]