31966560

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{281}}^1$

素因数の和:381

約数の個数: 144

約数和(自身を含む): 110859840

約数和(自身を除く): 78893280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 79, 80, 90, 96, 120, 144, 158, 160, 180, 237, 240, 281, 288, 316, 360, 395, 474, 480, 562, 632, 711, 720, 790, 843, 948, 1124, 1185, 1264, 1405, 1422, 1440, 1580, 1686, 1896, 2248, 2370, 2528, 2529, 2810, 2844, 3160, 3372, 3555, 3792, 4215, 4496, 4740, 5058, 5620, 5688, 6320, 6744, 7110, 7584, 8430, 8992, 9480, 10116, 11240, 11376, 12640, 12645, 13488, 14220, 16860, 18960, 20232, 22199, 22480, 22752, 25290, 26976, 28440, 33720, 37920, 40464, 44398, 44960, 50580, 56880, 66597, 67440, 80928, 88796, 101160, 110995, 113760, 133194, 134880, 177592, 199791, 202320, 221990, 266388, 332985, 355184, 399582, 404640, 443980, 532776, 665970, 710368, 799164, 887960, 998955, 1065552, 1331940, 1598328, 1775920, 1997910, 2131104, 2663880, 3196656, 3551840, 3995820, 5327760, 6393312, 7991640, 10655520, 15983280, 31966560]

約数ペア:

[(1, 31966560), (2, 15983280), (3, 10655520), (4, 7991640), (5, 6393312), (6, 5327760), (8, 3995820), (9, 3551840), (10, 3196656), (12, 2663880), (15, 2131104), (16, 1997910), (18, 1775920), (20, 1598328), (24, 1331940), (30, 1065552), (32, 998955), (36, 887960), (40, 799164), (45, 710368), (48, 665970), (60, 532776), (72, 443980), (79, 404640), (80, 399582), (90, 355184), (96, 332985), (120, 266388), (144, 221990), (158, 202320), (160, 199791), (180, 177592), (237, 134880), (240, 133194), (281, 113760), (288, 110995), (316, 101160), (360, 88796), (395, 80928), (474, 67440), (480, 66597), (562, 56880), (632, 50580), (711, 44960), (720, 44398), (790, 40464), (843, 37920), (948, 33720), (1124, 28440), (1185, 26976), (1264, 25290), (1405, 22752), (1422, 22480), (1440, 22199), (1580, 20232), (1686, 18960), (1896, 16860), (2248, 14220), (2370, 13488), (2528, 12645), (2529, 12640), (2810, 11376), (2844, 11240), (3160, 10116), (3372, 9480), (3555, 8992), (3792, 8430), (4215, 7584), (4496, 7110), (4740, 6744), (5058, 6320), (5620, 5688)]