80467320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{223}}^1$

素因数の和:365

約数の個数: 128

約数和(自身を含む): 252887040

約数和(自身を除く): 172419720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 62, 93, 97, 120, 124, 155, 186, 194, 223, 248, 291, 310, 372, 388, 446, 465, 485, 582, 620, 669, 744, 776, 892, 930, 970, 1115, 1164, 1240, 1338, 1455, 1784, 1860, 1940, 2230, 2328, 2676, 2910, 3007, 3345, 3720, 3880, 4460, 5352, 5820, 6014, 6690, 6913, 8920, 9021, 11640, 12028, 13380, 13826, 15035, 18042, 20739, 21631, 24056, 26760, 27652, 30070, 34565, 36084, 41478, 43262, 45105, 55304, 60140, 64893, 69130, 72168, 82956, 86524, 90210, 103695, 108155, 120280, 129786, 138260, 165912, 173048, 180420, 207390, 216310, 259572, 276520, 324465, 360840, 414780, 432620, 519144, 648930, 670561, 829560, 865240, 1297860, 1341122, 2011683, 2595720, 2682244, 3352805, 4023366, 5364488, 6705610, 8046732, 10058415, 13411220, 16093464, 20116830, 26822440, 40233660, 80467320]

約数ペア:

[(1, 80467320), (2, 40233660), (3, 26822440), (4, 20116830), (5, 16093464), (6, 13411220), (8, 10058415), (10, 8046732), (12, 6705610), (15, 5364488), (20, 4023366), (24, 3352805), (30, 2682244), (31, 2595720), (40, 2011683), (60, 1341122), (62, 1297860), (93, 865240), (97, 829560), (120, 670561), (124, 648930), (155, 519144), (186, 432620), (194, 414780), (223, 360840), (248, 324465), (291, 276520), (310, 259572), (372, 216310), (388, 207390), (446, 180420), (465, 173048), (485, 165912), (582, 138260), (620, 129786), (669, 120280), (744, 108155), (776, 103695), (892, 90210), (930, 86524), (970, 82956), (1115, 72168), (1164, 69130), (1240, 64893), (1338, 60140), (1455, 55304), (1784, 45105), (1860, 43262), (1940, 41478), (2230, 36084), (2328, 34565), (2676, 30070), (2910, 27652), (3007, 26760), (3345, 24056), (3720, 21631), (3880, 20739), (4460, 18042), (5352, 15035), (5820, 13826), (6014, 13380), (6690, 12028), (6913, 11640), (8920, 9021)]