153285680

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{101}}^1\times {\mathrm{311}}^1$

素因数の和:486

約数の個数: 80

約数和(自身を含む): 366994368

約数和(自身を除く): 213708688

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 101, 122, 202, 244, 305, 311, 404, 488, 505, 610, 622, 808, 976, 1010, 1220, 1244, 1555, 1616, 2020, 2440, 2488, 3110, 4040, 4880, 4976, 6161, 6220, 8080, 12322, 12440, 18971, 24644, 24880, 30805, 31411, 37942, 49288, 61610, 62822, 75884, 94855, 98576, 123220, 125644, 151768, 157055, 189710, 246440, 251288, 303536, 314110, 379420, 492880, 502576, 628220, 758840, 1256440, 1517680, 1916071, 2512880, 3832142, 7664284, 9580355, 15328568, 19160710, 30657136, 38321420, 76642840, 153285680]

約数ペア:

[(1, 153285680), (2, 76642840), (4, 38321420), (5, 30657136), (8, 19160710), (10, 15328568), (16, 9580355), (20, 7664284), (40, 3832142), (61, 2512880), (80, 1916071), (101, 1517680), (122, 1256440), (202, 758840), (244, 628220), (305, 502576), (311, 492880), (404, 379420), (488, 314110), (505, 303536), (610, 251288), (622, 246440), (808, 189710), (976, 157055), (1010, 151768), (1220, 125644), (1244, 123220), (1555, 98576), (1616, 94855), (2020, 75884), (2440, 62822), (2488, 61610), (3110, 49288), (4040, 37942), (4880, 31411), (4976, 30805), (6161, 24880), (6220, 24644), (8080, 18971), (12322, 12440)]