245001680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1283}}^1$

素因数の和:1345

約数の個数: 160

約数和(自身を含む): 733667328

約数和(自身を除く): 488665648

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 31, 35, 40, 44, 55, 56, 62, 70, 77, 80, 88, 110, 112, 124, 140, 154, 155, 176, 217, 220, 248, 280, 308, 310, 341, 385, 434, 440, 496, 560, 616, 620, 682, 770, 868, 880, 1085, 1232, 1240, 1283, 1364, 1540, 1705, 1736, 2170, 2387, 2480, 2566, 2728, 3080, 3410, 3472, 4340, 4774, 5132, 5456, 6160, 6415, 6820, 8680, 8981, 9548, 10264, 11935, 12830, 13640, 14113, 17360, 17962, 19096, 20528, 23870, 25660, 27280, 28226, 35924, 38192, 39773, 44905, 47740, 51320, 56452, 70565, 71848, 79546, 89810, 95480, 98791, 102640, 112904, 141130, 143696, 159092, 179620, 190960, 197582, 198865, 225808, 278411, 282260, 318184, 359240, 395164, 397730, 437503, 493955, 556822, 564520, 636368, 718480, 790328, 795460, 875006, 987910, 1113644, 1129040, 1392055, 1580656, 1590920, 1750012, 1975820, 2187515, 2227288, 2784110, 3062521, 3181840, 3500024, 3951640, 4375030, 4454576, 5568220, 6125042, 7000048, 7903280, 8750060, 11136440, 12250084, 15312605, 17500120, 22272880, 24500168, 30625210, 35000240, 49000336, 61250420, 122500840, 245001680]

約数ペア:

[(1, 245001680), (2, 122500840), (4, 61250420), (5, 49000336), (7, 35000240), (8, 30625210), (10, 24500168), (11, 22272880), (14, 17500120), (16, 15312605), (20, 12250084), (22, 11136440), (28, 8750060), (31, 7903280), (35, 7000048), (40, 6125042), (44, 5568220), (55, 4454576), (56, 4375030), (62, 3951640), (70, 3500024), (77, 3181840), (80, 3062521), (88, 2784110), (110, 2227288), (112, 2187515), (124, 1975820), (140, 1750012), (154, 1590920), (155, 1580656), (176, 1392055), (217, 1129040), (220, 1113644), (248, 987910), (280, 875006), (308, 795460), (310, 790328), (341, 718480), (385, 636368), (434, 564520), (440, 556822), (496, 493955), (560, 437503), (616, 397730), (620, 395164), (682, 359240), (770, 318184), (868, 282260), (880, 278411), (1085, 225808), (1232, 198865), (1240, 197582), (1283, 190960), (1364, 179620), (1540, 159092), (1705, 143696), (1736, 141130), (2170, 112904), (2387, 102640), (2480, 98791), (2566, 95480), (2728, 89810), (3080, 79546), (3410, 71848), (3472, 70565), (4340, 56452), (4774, 51320), (5132, 47740), (5456, 44905), (6160, 39773), (6415, 38192), (6820, 35924), (8680, 28226), (8981, 27280), (9548, 25660), (10264, 23870), (11935, 20528), (12830, 19096), (13640, 17962), (14113, 17360)]