821585460

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{83}}^1\times {\mathrm{457}}^1$

素因数の和:590

約数の個数: 144

約数和(自身を含む): 2462515776

約数和(自身を除く): 1640930316

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 83, 95, 114, 166, 190, 228, 249, 285, 332, 361, 380, 415, 457, 498, 570, 722, 830, 914, 996, 1083, 1140, 1245, 1371, 1444, 1577, 1660, 1805, 1828, 2166, 2285, 2490, 2742, 3154, 3610, 4332, 4570, 4731, 4980, 5415, 5484, 6308, 6855, 7220, 7885, 8683, 9140, 9462, 10830, 13710, 15770, 17366, 18924, 21660, 23655, 26049, 27420, 29963, 31540, 34732, 37931, 43415, 47310, 52098, 59926, 75862, 86830, 89889, 94620, 104196, 113793, 119852, 130245, 149815, 151724, 164977, 173660, 179778, 189655, 227586, 260490, 299630, 329954, 359556, 379310, 449445, 455172, 494931, 520980, 568965, 599260, 659908, 720689, 758620, 824885, 898890, 989862, 1137930, 1441378, 1649770, 1797780, 1979724, 2162067, 2275860, 2474655, 2882756, 3299540, 3603445, 4324134, 4949310, 7206890, 8648268, 9898620, 10810335, 13693091, 14413780, 21620670, 27386182, 41079273, 43241340, 54772364, 68465455, 82158546, 136930910, 164317092, 205396365, 273861820, 410792730, 821585460]

約数ペア:

[(1, 821585460), (2, 410792730), (3, 273861820), (4, 205396365), (5, 164317092), (6, 136930910), (10, 82158546), (12, 68465455), (15, 54772364), (19, 43241340), (20, 41079273), (30, 27386182), (38, 21620670), (57, 14413780), (60, 13693091), (76, 10810335), (83, 9898620), (95, 8648268), (114, 7206890), (166, 4949310), (190, 4324134), (228, 3603445), (249, 3299540), (285, 2882756), (332, 2474655), (361, 2275860), (380, 2162067), (415, 1979724), (457, 1797780), (498, 1649770), (570, 1441378), (722, 1137930), (830, 989862), (914, 898890), (996, 824885), (1083, 758620), (1140, 720689), (1245, 659908), (1371, 599260), (1444, 568965), (1577, 520980), (1660, 494931), (1805, 455172), (1828, 449445), (2166, 379310), (2285, 359556), (2490, 329954), (2742, 299630), (3154, 260490), (3610, 227586), (4332, 189655), (4570, 179778), (4731, 173660), (4980, 164977), (5415, 151724), (5484, 149815), (6308, 130245), (6855, 119852), (7220, 113793), (7885, 104196), (8683, 94620), (9140, 89889), (9462, 86830), (10830, 75862), (13710, 59926), (15770, 52098), (17366, 47310), (18924, 43415), (21660, 37931), (23655, 34732), (26049, 31540), (27420, 29963)]