331388160

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{211}}^1\times {\mathrm{409}}^1$

素因数の和:644

約数の個数: 144

約数和(自身を含む): 1065986880

約数和(自身を除く): 734598720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 211, 240, 256, 320, 384, 409, 422, 480, 633, 640, 768, 818, 844, 960, 1055, 1227, 1266, 1280, 1636, 1688, 1920, 2045, 2110, 2454, 2532, 3165, 3272, 3376, 3840, 4090, 4220, 4908, 5064, 6135, 6330, 6544, 6752, 8180, 8440, 9816, 10128, 12270, 12660, 13088, 13504, 16360, 16880, 19632, 20256, 24540, 25320, 26176, 27008, 32720, 33760, 39264, 40512, 49080, 50640, 52352, 54016, 65440, 67520, 78528, 81024, 86299, 98160, 101280, 104704, 130880, 135040, 157056, 162048, 172598, 196320, 202560, 258897, 261760, 270080, 314112, 345196, 392640, 405120, 431495, 517794, 523520, 690392, 785280, 810240, 862990, 1035588, 1294485, 1380784, 1570560, 1725980, 2071176, 2588970, 2761568, 3451960, 4142352, 5177940, 5523136, 6903920, 8284704, 10355880, 11046272, 13807840, 16569408, 20711760, 22092544, 27615680, 33138816, 41423520, 55231360, 66277632, 82847040, 110462720, 165694080, 331388160]

約数ペア:

[(1, 331388160), (2, 165694080), (3, 110462720), (4, 82847040), (5, 66277632), (6, 55231360), (8, 41423520), (10, 33138816), (12, 27615680), (15, 22092544), (16, 20711760), (20, 16569408), (24, 13807840), (30, 11046272), (32, 10355880), (40, 8284704), (48, 6903920), (60, 5523136), (64, 5177940), (80, 4142352), (96, 3451960), (120, 2761568), (128, 2588970), (160, 2071176), (192, 1725980), (211, 1570560), (240, 1380784), (256, 1294485), (320, 1035588), (384, 862990), (409, 810240), (422, 785280), (480, 690392), (633, 523520), (640, 517794), (768, 431495), (818, 405120), (844, 392640), (960, 345196), (1055, 314112), (1227, 270080), (1266, 261760), (1280, 258897), (1636, 202560), (1688, 196320), (1920, 172598), (2045, 162048), (2110, 157056), (2454, 135040), (2532, 130880), (3165, 104704), (3272, 101280), (3376, 98160), (3840, 86299), (4090, 81024), (4220, 78528), (4908, 67520), (5064, 65440), (6135, 54016), (6330, 52352), (6544, 50640), (6752, 49080), (8180, 40512), (8440, 39264), (9816, 33760), (10128, 32720), (12270, 27008), (12660, 26176), (13088, 25320), (13504, 24540), (16360, 20256), (16880, 19632)]