31927680

素因数分解:

$2^7\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{241}}^1$

素因数の和:289

約数の個数: 192

約数和(自身を含む): 115521120

約数和(自身を除く): 83593440

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 30, 32, 36, 40, 45, 46, 48, 60, 64, 69, 72, 80, 90, 92, 96, 115, 120, 128, 138, 144, 160, 180, 184, 192, 207, 230, 240, 241, 276, 288, 320, 345, 360, 368, 384, 414, 460, 480, 482, 552, 576, 640, 690, 720, 723, 736, 828, 920, 960, 964, 1035, 1104, 1152, 1205, 1380, 1440, 1446, 1472, 1656, 1840, 1920, 1928, 2070, 2169, 2208, 2410, 2760, 2880, 2892, 2944, 3312, 3615, 3680, 3856, 4140, 4338, 4416, 4820, 5520, 5543, 5760, 5784, 6624, 7230, 7360, 7712, 8280, 8676, 8832, 9640, 10845, 11040, 11086, 11568, 13248, 14460, 14720, 15424, 16560, 16629, 17352, 19280, 21690, 22080, 22172, 23136, 26496, 27715, 28920, 30848, 33120, 33258, 34704, 38560, 43380, 44160, 44344, 46272, 49887, 55430, 57840, 66240, 66516, 69408, 77120, 83145, 86760, 88688, 92544, 99774, 110860, 115680, 132480, 133032, 138816, 154240, 166290, 173520, 177376, 199548, 221720, 231360, 249435, 266064, 277632, 332580, 347040, 354752, 399096, 443440, 462720, 498870, 532128, 665160, 694080, 709504, 798192, 886880, 997740, 1064256, 1330320, 1388160, 1596384, 1773760, 1995480, 2128512, 2660640, 3192768, 3547520, 3990960, 5321280, 6385536, 7981920, 10642560, 15963840, 31927680]

約数ペア:

[(1, 31927680), (2, 15963840), (3, 10642560), (4, 7981920), (5, 6385536), (6, 5321280), (8, 3990960), (9, 3547520), (10, 3192768), (12, 2660640), (15, 2128512), (16, 1995480), (18, 1773760), (20, 1596384), (23, 1388160), (24, 1330320), (30, 1064256), (32, 997740), (36, 886880), (40, 798192), (45, 709504), (46, 694080), (48, 665160), (60, 532128), (64, 498870), (69, 462720), (72, 443440), (80, 399096), (90, 354752), (92, 347040), (96, 332580), (115, 277632), (120, 266064), (128, 249435), (138, 231360), (144, 221720), (160, 199548), (180, 177376), (184, 173520), (192, 166290), (207, 154240), (230, 138816), (240, 133032), (241, 132480), (276, 115680), (288, 110860), (320, 99774), (345, 92544), (360, 88688), (368, 86760), (384, 83145), (414, 77120), (460, 69408), (480, 66516), (482, 66240), (552, 57840), (576, 55430), (640, 49887), (690, 46272), (720, 44344), (723, 44160), (736, 43380), (828, 38560), (920, 34704), (960, 33258), (964, 33120), (1035, 30848), (1104, 28920), (1152, 27715), (1205, 26496), (1380, 23136), (1440, 22172), (1446, 22080), (1472, 21690), (1656, 19280), (1840, 17352), (1920, 16629), (1928, 16560), (2070, 15424), (2169, 14720), (2208, 14460), (2410, 13248), (2760, 11568), (2880, 11086), (2892, 11040), (2944, 10845), (3312, 9640), (3615, 8832), (3680, 8676), (3856, 8280), (4140, 7712), (4338, 7360), (4416, 7230), (4820, 6624), (5520, 5784), (5543, 5760)]