81997680

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{149}}^1\times {\mathrm{2293}}^1$

素因数の和:2458

約数の個数: 80

約数和(自身を含む): 256010400

約数和(自身を除く): 174012720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 149, 240, 298, 447, 596, 745, 894, 1192, 1490, 1788, 2235, 2293, 2384, 2980, 3576, 4470, 4586, 5960, 6879, 7152, 8940, 9172, 11465, 11920, 13758, 17880, 18344, 22930, 27516, 34395, 35760, 36688, 45860, 55032, 68790, 91720, 110064, 137580, 183440, 275160, 341657, 550320, 683314, 1024971, 1366628, 1708285, 2049942, 2733256, 3416570, 4099884, 5124855, 5466512, 6833140, 8199768, 10249710, 13666280, 16399536, 20499420, 27332560, 40998840, 81997680]

約数ペア:

[(1, 81997680), (2, 40998840), (3, 27332560), (4, 20499420), (5, 16399536), (6, 13666280), (8, 10249710), (10, 8199768), (12, 6833140), (15, 5466512), (16, 5124855), (20, 4099884), (24, 3416570), (30, 2733256), (40, 2049942), (48, 1708285), (60, 1366628), (80, 1024971), (120, 683314), (149, 550320), (240, 341657), (298, 275160), (447, 183440), (596, 137580), (745, 110064), (894, 91720), (1192, 68790), (1490, 55032), (1788, 45860), (2235, 36688), (2293, 35760), (2384, 34395), (2980, 27516), (3576, 22930), (4470, 18344), (4586, 17880), (5960, 13758), (6879, 11920), (7152, 11465), (8940, 9172)]