158987920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{21839}}^1$

素因数の和:21872

約数の個数: 80

約数和(自身を含む): 454970880

約数和(自身を除く): 295982960

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 182, 208, 260, 280, 364, 455, 520, 560, 728, 910, 1040, 1456, 1820, 3640, 7280, 21839, 43678, 87356, 109195, 152873, 174712, 218390, 283907, 305746, 349424, 436780, 567814, 611492, 764365, 873560, 1135628, 1222984, 1419535, 1528730, 1747120, 1987349, 2271256, 2445968, 2839070, 3057460, 3974698, 4542512, 5678140, 6114920, 7949396, 9936745, 11356280, 12229840, 15898792, 19873490, 22712560, 31797584, 39746980, 79493960, 158987920]

約数ペア:

[(1, 158987920), (2, 79493960), (4, 39746980), (5, 31797584), (7, 22712560), (8, 19873490), (10, 15898792), (13, 12229840), (14, 11356280), (16, 9936745), (20, 7949396), (26, 6114920), (28, 5678140), (35, 4542512), (40, 3974698), (52, 3057460), (56, 2839070), (65, 2445968), (70, 2271256), (80, 1987349), (91, 1747120), (104, 1528730), (112, 1419535), (130, 1222984), (140, 1135628), (182, 873560), (208, 764365), (260, 611492), (280, 567814), (364, 436780), (455, 349424), (520, 305746), (560, 283907), (728, 218390), (910, 174712), (1040, 152873), (1456, 109195), (1820, 87356), (3640, 43678), (7280, 21839)]