399866520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{6323}}^1$

素因数の和:6385

約数の個数: 128

約数和(自身を含む): 1311344640

約数和(自身を除く): 911478120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 31, 34, 40, 51, 60, 62, 68, 85, 93, 102, 120, 124, 136, 155, 170, 186, 204, 248, 255, 310, 340, 372, 408, 465, 510, 527, 620, 680, 744, 930, 1020, 1054, 1240, 1581, 1860, 2040, 2108, 2635, 3162, 3720, 4216, 5270, 6323, 6324, 7905, 10540, 12646, 12648, 15810, 18969, 21080, 25292, 31615, 31620, 37938, 50584, 63230, 63240, 75876, 94845, 107491, 126460, 151752, 189690, 196013, 214982, 252920, 322473, 379380, 392026, 429964, 537455, 588039, 644946, 758760, 784052, 859928, 980065, 1074910, 1176078, 1289892, 1568104, 1612365, 1960130, 2149820, 2352156, 2579784, 2940195, 3224730, 3332221, 3920260, 4299640, 4704312, 5880390, 6449460, 6664442, 7840520, 9996663, 11760780, 12898920, 13328884, 16661105, 19993326, 23521560, 26657768, 33322210, 39986652, 49983315, 66644420, 79973304, 99966630, 133288840, 199933260, 399866520]

約数ペア:

[(1, 399866520), (2, 199933260), (3, 133288840), (4, 99966630), (5, 79973304), (6, 66644420), (8, 49983315), (10, 39986652), (12, 33322210), (15, 26657768), (17, 23521560), (20, 19993326), (24, 16661105), (30, 13328884), (31, 12898920), (34, 11760780), (40, 9996663), (51, 7840520), (60, 6664442), (62, 6449460), (68, 5880390), (85, 4704312), (93, 4299640), (102, 3920260), (120, 3332221), (124, 3224730), (136, 2940195), (155, 2579784), (170, 2352156), (186, 2149820), (204, 1960130), (248, 1612365), (255, 1568104), (310, 1289892), (340, 1176078), (372, 1074910), (408, 980065), (465, 859928), (510, 784052), (527, 758760), (620, 644946), (680, 588039), (744, 537455), (930, 429964), (1020, 392026), (1054, 379380), (1240, 322473), (1581, 252920), (1860, 214982), (2040, 196013), (2108, 189690), (2635, 151752), (3162, 126460), (3720, 107491), (4216, 94845), (5270, 75876), (6323, 63240), (6324, 63230), (7905, 50584), (10540, 37938), (12646, 31620), (12648, 31615), (15810, 25292), (18969, 21080)]