261607176560

素因数分解:

$2^4\times 5^1\times {\mathrm{109}}^1\times {\mathrm{1867}}^1\times {\mathrm{16069}}^1$

素因数の和:18058

約数の個数: 80

約数和(自身を含む): 614183829600

約数和(自身を除く): 352576653040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 109, 218, 436, 545, 872, 1090, 1744, 1867, 2180, 3734, 4360, 7468, 8720, 9335, 14936, 16069, 18670, 29872, 32138, 37340, 64276, 74680, 80345, 128552, 149360, 160690, 203503, 257104, 321380, 407006, 642760, 814012, 1017515, 1285520, 1628024, 1751521, 2035030, 3256048, 3503042, 4070060, 7006084, 8140120, 8757605, 14012168, 16280240, 17515210, 28024336, 30000823, 35030420, 60001646, 70060840, 120003292, 140121680, 150004115, 240006584, 300008230, 480013168, 600016460, 1200032920, 2400065840, 3270089707, 6540179414, 13080358828, 16350448535, 26160717656, 32700897070, 52321435312, 65401794140, 130803588280, 261607176560]

約数ペア:

[(1, 261607176560), (2, 130803588280), (4, 65401794140), (5, 52321435312), (8, 32700897070), (10, 26160717656), (16, 16350448535), (20, 13080358828), (40, 6540179414), (80, 3270089707), (109, 2400065840), (218, 1200032920), (436, 600016460), (545, 480013168), (872, 300008230), (1090, 240006584), (1744, 150004115), (1867, 140121680), (2180, 120003292), (3734, 70060840), (4360, 60001646), (7468, 35030420), (8720, 30000823), (9335, 28024336), (14936, 17515210), (16069, 16280240), (18670, 14012168), (29872, 8757605), (32138, 8140120), (37340, 7006084), (64276, 4070060), (74680, 3503042), (80345, 3256048), (128552, 2035030), (149360, 1751521), (160690, 1628024), (203503, 1285520), (257104, 1017515), (321380, 814012), (407006, 642760)]