1789175920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{31019}}^1$

素因数の和:31142

約数の個数: 80

約数和(自身を含む): 4800407040

約数和(自身を除く): 3011231120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 103, 112, 140, 206, 280, 412, 515, 560, 721, 824, 1030, 1442, 1648, 2060, 2884, 3605, 4120, 5768, 7210, 8240, 11536, 14420, 28840, 31019, 57680, 62038, 124076, 155095, 217133, 248152, 310190, 434266, 496304, 620380, 868532, 1085665, 1240760, 1737064, 2171330, 2481520, 3194957, 3474128, 4342660, 6389914, 8685320, 12779828, 15974785, 17370640, 22364699, 25559656, 31949570, 44729398, 51119312, 63899140, 89458796, 111823495, 127798280, 178917592, 223646990, 255596560, 357835184, 447293980, 894587960, 1789175920]

約数ペア:

[(1, 1789175920), (2, 894587960), (4, 447293980), (5, 357835184), (7, 255596560), (8, 223646990), (10, 178917592), (14, 127798280), (16, 111823495), (20, 89458796), (28, 63899140), (35, 51119312), (40, 44729398), (56, 31949570), (70, 25559656), (80, 22364699), (103, 17370640), (112, 15974785), (140, 12779828), (206, 8685320), (280, 6389914), (412, 4342660), (515, 3474128), (560, 3194957), (721, 2481520), (824, 2171330), (1030, 1737064), (1442, 1240760), (1648, 1085665), (2060, 868532), (2884, 620380), (3605, 496304), (4120, 434266), (5768, 310190), (7210, 248152), (8240, 217133), (11536, 155095), (14420, 124076), (28840, 62038), (31019, 57680)]