127979440

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{269}}^1\times {\mathrm{313}}^1$

素因数の和:614

約数の個数: 80

約数和(自身を含む): 315381600

約数和(自身を除く): 187402160

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 269, 304, 313, 380, 538, 626, 760, 1076, 1252, 1345, 1520, 1565, 2152, 2504, 2690, 3130, 4304, 5008, 5111, 5380, 5947, 6260, 10222, 10760, 11894, 12520, 20444, 21520, 23788, 25040, 25555, 29735, 40888, 47576, 51110, 59470, 81776, 84197, 95152, 102220, 118940, 168394, 204440, 237880, 336788, 408880, 420985, 475760, 673576, 841970, 1347152, 1599743, 1683940, 3199486, 3367880, 6398972, 6735760, 7998715, 12797944, 15997430, 25595888, 31994860, 63989720, 127979440]

約数ペア:

[(1, 127979440), (2, 63989720), (4, 31994860), (5, 25595888), (8, 15997430), (10, 12797944), (16, 7998715), (19, 6735760), (20, 6398972), (38, 3367880), (40, 3199486), (76, 1683940), (80, 1599743), (95, 1347152), (152, 841970), (190, 673576), (269, 475760), (304, 420985), (313, 408880), (380, 336788), (538, 237880), (626, 204440), (760, 168394), (1076, 118940), (1252, 102220), (1345, 95152), (1520, 84197), (1565, 81776), (2152, 59470), (2504, 51110), (2690, 47576), (3130, 40888), (4304, 29735), (5008, 25555), (5111, 25040), (5380, 23788), (5947, 21520), (6260, 20444), (10222, 12520), (10760, 11894)]