408180720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{661}}^1$

素因数の和:791

約数の個数: 160

約数和(自身を含む): 1323915264

約数和(自身を除く): 915734544

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 40, 48, 60, 62, 80, 83, 93, 120, 124, 155, 166, 186, 240, 248, 249, 310, 332, 372, 415, 465, 496, 498, 620, 661, 664, 744, 830, 930, 996, 1240, 1245, 1322, 1328, 1488, 1660, 1860, 1983, 1992, 2480, 2490, 2573, 2644, 3305, 3320, 3720, 3966, 3984, 4980, 5146, 5288, 6610, 6640, 7440, 7719, 7932, 9915, 9960, 10292, 10576, 12865, 13220, 15438, 15864, 19830, 19920, 20491, 20584, 25730, 26440, 30876, 31728, 38595, 39660, 40982, 41168, 51460, 52880, 54863, 61473, 61752, 77190, 79320, 81964, 102455, 102920, 109726, 122946, 123504, 154380, 158640, 163928, 164589, 204910, 205840, 219452, 245892, 274315, 307365, 308760, 327856, 329178, 409820, 438904, 491784, 548630, 614730, 617520, 658356, 819640, 822945, 877808, 983568, 1097260, 1229460, 1316712, 1639280, 1645890, 1700753, 2194520, 2458920, 2633424, 3291780, 3401506, 4389040, 4917840, 5102259, 6583560, 6803012, 8503765, 10204518, 13167120, 13606024, 17007530, 20409036, 25511295, 27212048, 34015060, 40818072, 51022590, 68030120, 81636144, 102045180, 136060240, 204090360, 408180720]

約数ペア:

[(1, 408180720), (2, 204090360), (3, 136060240), (4, 102045180), (5, 81636144), (6, 68030120), (8, 51022590), (10, 40818072), (12, 34015060), (15, 27212048), (16, 25511295), (20, 20409036), (24, 17007530), (30, 13606024), (31, 13167120), (40, 10204518), (48, 8503765), (60, 6803012), (62, 6583560), (80, 5102259), (83, 4917840), (93, 4389040), (120, 3401506), (124, 3291780), (155, 2633424), (166, 2458920), (186, 2194520), (240, 1700753), (248, 1645890), (249, 1639280), (310, 1316712), (332, 1229460), (372, 1097260), (415, 983568), (465, 877808), (496, 822945), (498, 819640), (620, 658356), (661, 617520), (664, 614730), (744, 548630), (830, 491784), (930, 438904), (996, 409820), (1240, 329178), (1245, 327856), (1322, 308760), (1328, 307365), (1488, 274315), (1660, 245892), (1860, 219452), (1983, 205840), (1992, 204910), (2480, 164589), (2490, 163928), (2573, 158640), (2644, 154380), (3305, 123504), (3320, 122946), (3720, 109726), (3966, 102920), (3984, 102455), (4980, 81964), (5146, 79320), (5288, 77190), (6610, 61752), (6640, 61473), (7440, 54863), (7719, 52880), (7932, 51460), (9915, 41168), (9960, 40982), (10292, 39660), (10576, 38595), (12865, 31728), (13220, 30876), (15438, 26440), (15864, 25730), (19830, 20584), (19920, 20491)]