454485520

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{1777}}^1$

素因数の和:1952

約数の個数: 80

約数和(自身を含む): 1111178880

約数和(自身を除く): 656693360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 139, 184, 230, 278, 368, 460, 556, 695, 920, 1112, 1390, 1777, 1840, 2224, 2780, 3197, 3554, 5560, 6394, 7108, 8885, 11120, 12788, 14216, 15985, 17770, 25576, 28432, 31970, 35540, 40871, 51152, 63940, 71080, 81742, 127880, 142160, 163484, 204355, 247003, 255760, 326968, 408710, 494006, 653936, 817420, 988012, 1235015, 1634840, 1976024, 2470030, 3269680, 3952048, 4940060, 5681069, 9880120, 11362138, 19760240, 22724276, 28405345, 45448552, 56810690, 90897104, 113621380, 227242760, 454485520]

約数ペア:

[(1, 454485520), (2, 227242760), (4, 113621380), (5, 90897104), (8, 56810690), (10, 45448552), (16, 28405345), (20, 22724276), (23, 19760240), (40, 11362138), (46, 9880120), (80, 5681069), (92, 4940060), (115, 3952048), (139, 3269680), (184, 2470030), (230, 1976024), (278, 1634840), (368, 1235015), (460, 988012), (556, 817420), (695, 653936), (920, 494006), (1112, 408710), (1390, 326968), (1777, 255760), (1840, 247003), (2224, 204355), (2780, 163484), (3197, 142160), (3554, 127880), (5560, 81742), (6394, 71080), (7108, 63940), (8885, 51152), (11120, 40871), (12788, 35540), (14216, 31970), (15985, 28432), (17770, 25576)]