217515840

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{7309}}^1$

素因数の和:7360

約数の個数: 112

約数和(自身を含む): 712988160

約数和(自身を除く): 495472320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 32, 40, 48, 60, 62, 64, 80, 93, 96, 120, 124, 155, 160, 186, 192, 240, 248, 310, 320, 372, 465, 480, 496, 620, 744, 930, 960, 992, 1240, 1488, 1860, 1984, 2480, 2976, 3720, 4960, 5952, 7309, 7440, 9920, 14618, 14880, 21927, 29236, 29760, 36545, 43854, 58472, 73090, 87708, 109635, 116944, 146180, 175416, 219270, 226579, 233888, 292360, 350832, 438540, 453158, 467776, 584720, 679737, 701664, 877080, 906316, 1132895, 1169440, 1359474, 1403328, 1754160, 1812632, 2265790, 2338880, 2718948, 3398685, 3508320, 3625264, 4531580, 5437896, 6797370, 7016640, 7250528, 9063160, 10875792, 13594740, 14501056, 18126320, 21751584, 27189480, 36252640, 43503168, 54378960, 72505280, 108757920, 217515840]

約数ペア:

[(1, 217515840), (2, 108757920), (3, 72505280), (4, 54378960), (5, 43503168), (6, 36252640), (8, 27189480), (10, 21751584), (12, 18126320), (15, 14501056), (16, 13594740), (20, 10875792), (24, 9063160), (30, 7250528), (31, 7016640), (32, 6797370), (40, 5437896), (48, 4531580), (60, 3625264), (62, 3508320), (64, 3398685), (80, 2718948), (93, 2338880), (96, 2265790), (120, 1812632), (124, 1754160), (155, 1403328), (160, 1359474), (186, 1169440), (192, 1132895), (240, 906316), (248, 877080), (310, 701664), (320, 679737), (372, 584720), (465, 467776), (480, 453158), (496, 438540), (620, 350832), (744, 292360), (930, 233888), (960, 226579), (992, 219270), (1240, 175416), (1488, 146180), (1860, 116944), (1984, 109635), (2480, 87708), (2976, 73090), (3720, 58472), (4960, 43854), (5952, 36545), (7309, 29760), (7440, 29236), (9920, 21927), (14618, 14880)]