1813303760

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{523}}^1\times {\mathrm{2281}}^1$

素因数の和:2836

約数の個数: 80

約数和(自身を含む): 4448256960

約数和(自身を除く): 2634953200

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 523, 760, 1046, 1520, 2092, 2281, 2615, 4184, 4562, 5230, 8368, 9124, 9937, 10460, 11405, 18248, 19874, 20920, 22810, 36496, 39748, 41840, 43339, 45620, 49685, 79496, 86678, 91240, 99370, 158992, 173356, 182480, 198740, 216695, 346712, 397480, 433390, 693424, 794960, 866780, 1192963, 1733560, 2385926, 3467120, 4771852, 5964815, 9543704, 11929630, 19087408, 22666297, 23859260, 45332594, 47718520, 90665188, 95437040, 113331485, 181330376, 226662970, 362660752, 453325940, 906651880, 1813303760]

約数ペア:

[(1, 1813303760), (2, 906651880), (4, 453325940), (5, 362660752), (8, 226662970), (10, 181330376), (16, 113331485), (19, 95437040), (20, 90665188), (38, 47718520), (40, 45332594), (76, 23859260), (80, 22666297), (95, 19087408), (152, 11929630), (190, 9543704), (304, 5964815), (380, 4771852), (523, 3467120), (760, 2385926), (1046, 1733560), (1520, 1192963), (2092, 866780), (2281, 794960), (2615, 693424), (4184, 433390), (4562, 397480), (5230, 346712), (8368, 216695), (9124, 198740), (9937, 182480), (10460, 173356), (11405, 158992), (18248, 99370), (19874, 91240), (20920, 86678), (22810, 79496), (36496, 49685), (39748, 45620), (41840, 43339)]