1817387920

素因数分解:

$2^4\times 5^1\times {\mathrm{83}}^1\times {\mathrm{191}}^1\times {\mathrm{1433}}^1$

素因数の和:1720

約数の個数: 80

約数和(自身を含む): 4301724672

約数和(自身を除く): 2484336752

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 83, 166, 191, 332, 382, 415, 664, 764, 830, 955, 1328, 1433, 1528, 1660, 1910, 2866, 3056, 3320, 3820, 5732, 6640, 7165, 7640, 11464, 14330, 15280, 15853, 22928, 28660, 31706, 57320, 63412, 79265, 114640, 118939, 126824, 158530, 237878, 253648, 273703, 317060, 475756, 547406, 594695, 634120, 951512, 1094812, 1189390, 1268240, 1368515, 1903024, 2189624, 2378780, 2737030, 4379248, 4757560, 5474060, 9515120, 10948120, 21896240, 22717349, 45434698, 90869396, 113586745, 181738792, 227173490, 363477584, 454346980, 908693960, 1817387920]

約数ペア:

[(1, 1817387920), (2, 908693960), (4, 454346980), (5, 363477584), (8, 227173490), (10, 181738792), (16, 113586745), (20, 90869396), (40, 45434698), (80, 22717349), (83, 21896240), (166, 10948120), (191, 9515120), (332, 5474060), (382, 4757560), (415, 4379248), (664, 2737030), (764, 2378780), (830, 2189624), (955, 1903024), (1328, 1368515), (1433, 1268240), (1528, 1189390), (1660, 1094812), (1910, 951512), (2866, 634120), (3056, 594695), (3320, 547406), (3820, 475756), (5732, 317060), (6640, 273703), (7165, 253648), (7640, 237878), (11464, 158530), (14330, 126824), (15280, 118939), (15853, 114640), (22928, 79265), (28660, 63412), (31706, 57320)]