72957720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{2909}}^1$

素因数の和:2953

約数の個数: 128

約数和(自身を含む): 251424000

約数和(自身を除く): 178466280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 19, 20, 22, 24, 30, 33, 38, 40, 44, 55, 57, 60, 66, 76, 88, 95, 110, 114, 120, 132, 152, 165, 190, 209, 220, 228, 264, 285, 330, 380, 418, 440, 456, 570, 627, 660, 760, 836, 1045, 1140, 1254, 1320, 1672, 2090, 2280, 2508, 2909, 3135, 4180, 5016, 5818, 6270, 8360, 8727, 11636, 12540, 14545, 17454, 23272, 25080, 29090, 31999, 34908, 43635, 55271, 58180, 63998, 69816, 87270, 95997, 110542, 116360, 127996, 159995, 165813, 174540, 191994, 221084, 255992, 276355, 319990, 331626, 349080, 383988, 442168, 479985, 552710, 607981, 639980, 663252, 767976, 829065, 959970, 1105420, 1215962, 1279960, 1326504, 1658130, 1823943, 1919940, 2210840, 2431924, 3039905, 3316260, 3647886, 3839880, 4863848, 6079810, 6632520, 7295772, 9119715, 12159620, 14591544, 18239430, 24319240, 36478860, 72957720]

約数ペア:

[(1, 72957720), (2, 36478860), (3, 24319240), (4, 18239430), (5, 14591544), (6, 12159620), (8, 9119715), (10, 7295772), (11, 6632520), (12, 6079810), (15, 4863848), (19, 3839880), (20, 3647886), (22, 3316260), (24, 3039905), (30, 2431924), (33, 2210840), (38, 1919940), (40, 1823943), (44, 1658130), (55, 1326504), (57, 1279960), (60, 1215962), (66, 1105420), (76, 959970), (88, 829065), (95, 767976), (110, 663252), (114, 639980), (120, 607981), (132, 552710), (152, 479985), (165, 442168), (190, 383988), (209, 349080), (220, 331626), (228, 319990), (264, 276355), (285, 255992), (330, 221084), (380, 191994), (418, 174540), (440, 165813), (456, 159995), (570, 127996), (627, 116360), (660, 110542), (760, 95997), (836, 87270), (1045, 69816), (1140, 63998), (1254, 58180), (1320, 55271), (1672, 43635), (2090, 34908), (2280, 31999), (2508, 29090), (2909, 25080), (3135, 23272), (4180, 17454), (5016, 14545), (5818, 12540), (6270, 11636), (8360, 8727)]