18112240

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{211}}^1$

素因数の和:290

約数の個数: 80

約数和(自身を含む): 44952480

約数和(自身を除く): 26840240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 37, 40, 58, 74, 80, 116, 145, 148, 185, 211, 232, 290, 296, 370, 422, 464, 580, 592, 740, 844, 1055, 1073, 1160, 1480, 1688, 2110, 2146, 2320, 2960, 3376, 4220, 4292, 5365, 6119, 7807, 8440, 8584, 10730, 12238, 15614, 16880, 17168, 21460, 24476, 30595, 31228, 39035, 42920, 48952, 61190, 62456, 78070, 85840, 97904, 122380, 124912, 156140, 226403, 244760, 312280, 452806, 489520, 624560, 905612, 1132015, 1811224, 2264030, 3622448, 4528060, 9056120, 18112240]

約数ペア:

[(1, 18112240), (2, 9056120), (4, 4528060), (5, 3622448), (8, 2264030), (10, 1811224), (16, 1132015), (20, 905612), (29, 624560), (37, 489520), (40, 452806), (58, 312280), (74, 244760), (80, 226403), (116, 156140), (145, 124912), (148, 122380), (185, 97904), (211, 85840), (232, 78070), (290, 62456), (296, 61190), (370, 48952), (422, 42920), (464, 39035), (580, 31228), (592, 30595), (740, 24476), (844, 21460), (1055, 17168), (1073, 16880), (1160, 15614), (1480, 12238), (1688, 10730), (2110, 8584), (2146, 8440), (2320, 7807), (2960, 6119), (3376, 5365), (4220, 4292)]