243213880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{613}}^1$

素因数の和:753

約数の個数: 128

約数和(自身を含む): 680803200

約数和(自身を除く): 437589320

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 109, 130, 140, 182, 218, 260, 280, 364, 436, 455, 520, 545, 613, 728, 763, 872, 910, 1090, 1226, 1417, 1526, 1820, 2180, 2452, 2834, 3052, 3065, 3640, 3815, 4291, 4360, 4904, 5668, 6104, 6130, 7085, 7630, 7969, 8582, 9919, 11336, 12260, 14170, 15260, 15938, 17164, 19838, 21455, 24520, 28340, 30520, 31876, 34328, 39676, 39845, 42910, 49595, 55783, 56680, 63752, 66817, 79352, 79690, 85820, 99190, 111566, 133634, 159380, 171640, 198380, 223132, 267268, 278915, 318760, 334085, 396760, 446264, 467719, 534536, 557830, 668170, 868621, 935438, 1115660, 1336340, 1737242, 1870876, 2231320, 2338595, 2672680, 3474484, 3741752, 4343105, 4677190, 6080347, 6948968, 8686210, 9354380, 12160694, 17372420, 18708760, 24321388, 30401735, 34744840, 48642776, 60803470, 121606940, 243213880]

約数ペア:

[(1, 243213880), (2, 121606940), (4, 60803470), (5, 48642776), (7, 34744840), (8, 30401735), (10, 24321388), (13, 18708760), (14, 17372420), (20, 12160694), (26, 9354380), (28, 8686210), (35, 6948968), (40, 6080347), (52, 4677190), (56, 4343105), (65, 3741752), (70, 3474484), (91, 2672680), (104, 2338595), (109, 2231320), (130, 1870876), (140, 1737242), (182, 1336340), (218, 1115660), (260, 935438), (280, 868621), (364, 668170), (436, 557830), (455, 534536), (520, 467719), (545, 446264), (613, 396760), (728, 334085), (763, 318760), (872, 278915), (910, 267268), (1090, 223132), (1226, 198380), (1417, 171640), (1526, 159380), (1820, 133634), (2180, 111566), (2452, 99190), (2834, 85820), (3052, 79690), (3065, 79352), (3640, 66817), (3815, 63752), (4291, 56680), (4360, 55783), (4904, 49595), (5668, 42910), (6104, 39845), (6130, 39676), (7085, 34328), (7630, 31876), (7969, 30520), (8582, 28340), (9919, 24520), (11336, 21455), (12260, 19838), (14170, 17164), (15260, 15938)]