78806520

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1871}}^1$

素因数の和:1907

約数の個数: 160

約数和(自身を含む): 285405120

約数和(自身を除く): 206598600

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 27, 30, 36, 39, 40, 45, 52, 54, 60, 65, 72, 78, 81, 90, 104, 108, 117, 120, 130, 135, 156, 162, 180, 195, 216, 234, 260, 270, 312, 324, 351, 360, 390, 405, 468, 520, 540, 585, 648, 702, 780, 810, 936, 1053, 1080, 1170, 1404, 1560, 1620, 1755, 1871, 2106, 2340, 2808, 3240, 3510, 3742, 4212, 4680, 5265, 5613, 7020, 7484, 8424, 9355, 10530, 11226, 14040, 14968, 16839, 18710, 21060, 22452, 24323, 28065, 33678, 37420, 42120, 44904, 48646, 50517, 56130, 67356, 72969, 74840, 84195, 97292, 101034, 112260, 121615, 134712, 145938, 151551, 168390, 194584, 202068, 218907, 224520, 243230, 252585, 291876, 303102, 336780, 364845, 404136, 437814, 486460, 505170, 583752, 606204, 656721, 673560, 729690, 757755, 875628, 972920, 1010340, 1094535, 1212408, 1313442, 1459380, 1515510, 1751256, 1970163, 2020680, 2189070, 2626884, 2918760, 3031020, 3283605, 3940326, 4378140, 5253768, 6062040, 6567210, 7880652, 8756280, 9850815, 13134420, 15761304, 19701630, 26268840, 39403260, 78806520]

約数ペア:

[(1, 78806520), (2, 39403260), (3, 26268840), (4, 19701630), (5, 15761304), (6, 13134420), (8, 9850815), (9, 8756280), (10, 7880652), (12, 6567210), (13, 6062040), (15, 5253768), (18, 4378140), (20, 3940326), (24, 3283605), (26, 3031020), (27, 2918760), (30, 2626884), (36, 2189070), (39, 2020680), (40, 1970163), (45, 1751256), (52, 1515510), (54, 1459380), (60, 1313442), (65, 1212408), (72, 1094535), (78, 1010340), (81, 972920), (90, 875628), (104, 757755), (108, 729690), (117, 673560), (120, 656721), (130, 606204), (135, 583752), (156, 505170), (162, 486460), (180, 437814), (195, 404136), (216, 364845), (234, 336780), (260, 303102), (270, 291876), (312, 252585), (324, 243230), (351, 224520), (360, 218907), (390, 202068), (405, 194584), (468, 168390), (520, 151551), (540, 145938), (585, 134712), (648, 121615), (702, 112260), (780, 101034), (810, 97292), (936, 84195), (1053, 74840), (1080, 72969), (1170, 67356), (1404, 56130), (1560, 50517), (1620, 48646), (1755, 44904), (1871, 42120), (2106, 37420), (2340, 33678), (2808, 28065), (3240, 24323), (3510, 22452), (3742, 21060), (4212, 18710), (4680, 16839), (5265, 14968), (5613, 14040), (7020, 11226), (7484, 10530), (8424, 9355)]