206308720

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{2029}}^1$

素因数の和:2114

約数の個数: 80

約数和(自身を含む): 507467520

約数和(自身を除く): 301158800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 41, 62, 80, 82, 124, 155, 164, 205, 248, 310, 328, 410, 496, 620, 656, 820, 1240, 1271, 1640, 2029, 2480, 2542, 3280, 4058, 5084, 6355, 8116, 10145, 10168, 12710, 16232, 20290, 20336, 25420, 32464, 40580, 50840, 62899, 81160, 83189, 101680, 125798, 162320, 166378, 251596, 314495, 332756, 415945, 503192, 628990, 665512, 831890, 1006384, 1257980, 1331024, 1663780, 2515960, 2578859, 3327560, 5031920, 5157718, 6655120, 10315436, 12894295, 20630872, 25788590, 41261744, 51577180, 103154360, 206308720]

約数ペア:

[(1, 206308720), (2, 103154360), (4, 51577180), (5, 41261744), (8, 25788590), (10, 20630872), (16, 12894295), (20, 10315436), (31, 6655120), (40, 5157718), (41, 5031920), (62, 3327560), (80, 2578859), (82, 2515960), (124, 1663780), (155, 1331024), (164, 1257980), (205, 1006384), (248, 831890), (310, 665512), (328, 628990), (410, 503192), (496, 415945), (620, 332756), (656, 314495), (820, 251596), (1240, 166378), (1271, 162320), (1640, 125798), (2029, 101680), (2480, 83189), (2542, 81160), (3280, 62899), (4058, 50840), (5084, 40580), (6355, 32464), (8116, 25420), (10145, 20336), (10168, 20290), (12710, 16232)]