199742640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{431}}^1\times {\mathrm{1931}}^1$

素因数の和:2378

約数の個数: 80

約数和(自身を含む): 620960256

約数和(自身を除く): 421217616

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 431, 862, 1293, 1724, 1931, 2155, 2586, 3448, 3862, 4310, 5172, 5793, 6465, 6896, 7724, 8620, 9655, 10344, 11586, 12930, 15448, 17240, 19310, 20688, 23172, 25860, 28965, 30896, 34480, 38620, 46344, 51720, 57930, 77240, 92688, 103440, 115860, 154480, 231720, 463440, 832261, 1664522, 2496783, 3329044, 4161305, 4993566, 6658088, 8322610, 9987132, 12483915, 13316176, 16645220, 19974264, 24967830, 33290440, 39948528, 49935660, 66580880, 99871320, 199742640]

約数ペア:

[(1, 199742640), (2, 99871320), (3, 66580880), (4, 49935660), (5, 39948528), (6, 33290440), (8, 24967830), (10, 19974264), (12, 16645220), (15, 13316176), (16, 12483915), (20, 9987132), (24, 8322610), (30, 6658088), (40, 4993566), (48, 4161305), (60, 3329044), (80, 2496783), (120, 1664522), (240, 832261), (431, 463440), (862, 231720), (1293, 154480), (1724, 115860), (1931, 103440), (2155, 92688), (2586, 77240), (3448, 57930), (3862, 51720), (4310, 46344), (5172, 38620), (5793, 34480), (6465, 30896), (6896, 28965), (7724, 25860), (8620, 23172), (9655, 20688), (10344, 19310), (11586, 17240), (12930, 15448)]