39880260

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1021}}^1$

素因数の和:1074

約数の個数: 144

約数和(自身を含む): 142851072

約数和(自身を除く): 102970812

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 31, 35, 36, 42, 45, 60, 62, 63, 70, 84, 90, 93, 105, 124, 126, 140, 155, 180, 186, 210, 217, 252, 279, 310, 315, 372, 420, 434, 465, 558, 620, 630, 651, 868, 930, 1021, 1085, 1116, 1260, 1302, 1395, 1860, 1953, 2042, 2170, 2604, 2790, 3063, 3255, 3906, 4084, 4340, 5105, 5580, 6126, 6510, 7147, 7812, 9189, 9765, 10210, 12252, 13020, 14294, 15315, 18378, 19530, 20420, 21441, 28588, 30630, 31651, 35735, 36756, 39060, 42882, 45945, 61260, 63302, 64323, 71470, 85764, 91890, 94953, 107205, 126604, 128646, 142940, 158255, 183780, 189906, 214410, 221557, 257292, 284859, 316510, 321615, 379812, 428820, 443114, 474765, 569718, 633020, 643230, 664671, 886228, 949530, 1107785, 1139436, 1286460, 1329342, 1424295, 1899060, 1994013, 2215570, 2658684, 2848590, 3323355, 3988026, 4431140, 5697180, 6646710, 7976052, 9970065, 13293420, 19940130, 39880260]

約数ペア:

[(1, 39880260), (2, 19940130), (3, 13293420), (4, 9970065), (5, 7976052), (6, 6646710), (7, 5697180), (9, 4431140), (10, 3988026), (12, 3323355), (14, 2848590), (15, 2658684), (18, 2215570), (20, 1994013), (21, 1899060), (28, 1424295), (30, 1329342), (31, 1286460), (35, 1139436), (36, 1107785), (42, 949530), (45, 886228), (60, 664671), (62, 643230), (63, 633020), (70, 569718), (84, 474765), (90, 443114), (93, 428820), (105, 379812), (124, 321615), (126, 316510), (140, 284859), (155, 257292), (180, 221557), (186, 214410), (210, 189906), (217, 183780), (252, 158255), (279, 142940), (310, 128646), (315, 126604), (372, 107205), (420, 94953), (434, 91890), (465, 85764), (558, 71470), (620, 64323), (630, 63302), (651, 61260), (868, 45945), (930, 42882), (1021, 39060), (1085, 36756), (1116, 35735), (1260, 31651), (1302, 30630), (1395, 28588), (1860, 21441), (1953, 20420), (2042, 19530), (2170, 18378), (2604, 15315), (2790, 14294), (3063, 13020), (3255, 12252), (3906, 10210), (4084, 9765), (4340, 9189), (5105, 7812), (5580, 7147), (6126, 6510)]