404284080

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{21323}}^1$

素因数の和:21418

約数の個数: 80

約数和(自身を含む): 1269204480

約数和(自身を除く): 864920400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 79, 80, 120, 158, 237, 240, 316, 395, 474, 632, 790, 948, 1185, 1264, 1580, 1896, 2370, 3160, 3792, 4740, 6320, 9480, 18960, 21323, 42646, 63969, 85292, 106615, 127938, 170584, 213230, 255876, 319845, 341168, 426460, 511752, 639690, 852920, 1023504, 1279380, 1684517, 1705840, 2558760, 3369034, 5053551, 5117520, 6738068, 8422585, 10107102, 13476136, 16845170, 20214204, 25267755, 26952272, 33690340, 40428408, 50535510, 67380680, 80856816, 101071020, 134761360, 202142040, 404284080]

約数ペア:

[(1, 404284080), (2, 202142040), (3, 134761360), (4, 101071020), (5, 80856816), (6, 67380680), (8, 50535510), (10, 40428408), (12, 33690340), (15, 26952272), (16, 25267755), (20, 20214204), (24, 16845170), (30, 13476136), (40, 10107102), (48, 8422585), (60, 6738068), (79, 5117520), (80, 5053551), (120, 3369034), (158, 2558760), (237, 1705840), (240, 1684517), (316, 1279380), (395, 1023504), (474, 852920), (632, 639690), (790, 511752), (948, 426460), (1185, 341168), (1264, 319845), (1580, 255876), (1896, 213230), (2370, 170584), (3160, 127938), (3792, 106615), (4740, 85292), (6320, 63969), (9480, 42646), (18960, 21323)]