306256440

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{619}}^1$

素因数の和:690

約数の個数: 256

約数和(自身を含む): 1142784000

約数和(自身を除く): 836527560

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 19, 20, 21, 24, 28, 30, 31, 35, 38, 40, 42, 56, 57, 60, 62, 70, 76, 84, 93, 95, 105, 114, 120, 124, 133, 140, 152, 155, 168, 186, 190, 210, 217, 228, 248, 266, 280, 285, 310, 372, 380, 399, 420, 434, 456, 465, 532, 570, 589, 619, 620, 651, 665, 744, 760, 798, 840, 868, 930, 1064, 1085, 1140, 1178, 1238, 1240, 1302, 1330, 1596, 1736, 1767, 1857, 1860, 1995, 2170, 2280, 2356, 2476, 2604, 2660, 2945, 3095, 3192, 3255, 3534, 3714, 3720, 3990, 4123, 4333, 4340, 4712, 4952, 5208, 5320, 5890, 6190, 6510, 7068, 7428, 7980, 8246, 8666, 8680, 8835, 9285, 11761, 11780, 12369, 12380, 12999, 13020, 14136, 14856, 15960, 16492, 17332, 17670, 18570, 19189, 20615, 21665, 23522, 23560, 24738, 24760, 25998, 26040, 32984, 34664, 35283, 35340, 37140, 38378, 41230, 43330, 47044, 49476, 51996, 57567, 58805, 61845, 64995, 70566, 70680, 74280, 76756, 82327, 82460, 86660, 94088, 95945, 98952, 103992, 115134, 117610, 123690, 129990, 134323, 141132, 153512, 164654, 164920, 173320, 176415, 191890, 230268, 235220, 246981, 247380, 259980, 268646, 282264, 287835, 329308, 352830, 364591, 383780, 402969, 411635, 460536, 470440, 493962, 494760, 519960, 537292, 575670, 658616, 671615, 705660, 729182, 767560, 805938, 823270, 987924, 1074584, 1093773, 1151340, 1234905, 1343230, 1411320, 1458364, 1611876, 1646540, 1822955, 1975848, 2014845, 2187546, 2302680, 2469810, 2552137, 2686460, 2916728, 3223752, 3293080, 3645910, 4029690, 4375092, 4939620, 5104274, 5372920, 5468865, 7291820, 7656411, 8059380, 8750184, 9879240, 10208548, 10937730, 12760685, 14583640, 15312822, 16118760, 20417096, 21875460, 25521370, 30625644, 38282055, 43750920, 51042740, 61251288, 76564110, 102085480, 153128220, 306256440]

約数ペア:

[(1, 306256440), (2, 153128220), (3, 102085480), (4, 76564110), (5, 61251288), (6, 51042740), (7, 43750920), (8, 38282055), (10, 30625644), (12, 25521370), (14, 21875460), (15, 20417096), (19, 16118760), (20, 15312822), (21, 14583640), (24, 12760685), (28, 10937730), (30, 10208548), (31, 9879240), (35, 8750184), (38, 8059380), (40, 7656411), (42, 7291820), (56, 5468865), (57, 5372920), (60, 5104274), (62, 4939620), (70, 4375092), (76, 4029690), (84, 3645910), (93, 3293080), (95, 3223752), (105, 2916728), (114, 2686460), (120, 2552137), (124, 2469810), (133, 2302680), (140, 2187546), (152, 2014845), (155, 1975848), (168, 1822955), (186, 1646540), (190, 1611876), (210, 1458364), (217, 1411320), (228, 1343230), (248, 1234905), (266, 1151340), (280, 1093773), (285, 1074584), (310, 987924), (372, 823270), (380, 805938), (399, 767560), (420, 729182), (434, 705660), (456, 671615), (465, 658616), (532, 575670), (570, 537292), (589, 519960), (619, 494760), (620, 493962), (651, 470440), (665, 460536), (744, 411635), (760, 402969), (798, 383780), (840, 364591), (868, 352830), (930, 329308), (1064, 287835), (1085, 282264), (1140, 268646), (1178, 259980), (1238, 247380), (1240, 246981), (1302, 235220), (1330, 230268), (1596, 191890), (1736, 176415), (1767, 173320), (1857, 164920), (1860, 164654), (1995, 153512), (2170, 141132), (2280, 134323), (2356, 129990), (2476, 123690), (2604, 117610), (2660, 115134), (2945, 103992), (3095, 98952), (3192, 95945), (3255, 94088), (3534, 86660), (3714, 82460), (3720, 82327), (3990, 76756), (4123, 74280), (4333, 70680), (4340, 70566), (4712, 64995), (4952, 61845), (5208, 58805), (5320, 57567), (5890, 51996), (6190, 49476), (6510, 47044), (7068, 43330), (7428, 41230), (7980, 38378), (8246, 37140), (8666, 35340), (8680, 35283), (8835, 34664), (9285, 32984), (11761, 26040), (11780, 25998), (12369, 24760), (12380, 24738), (12999, 23560), (13020, 23522), (14136, 21665), (14856, 20615), (15960, 19189), (16492, 18570), (17332, 17670)]