291209880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{157}}^1$

素因数の和:254

約数の個数: 256

約数和(自身を含む): 1003363200

約数和(自身を除く): 712153320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 29, 30, 39, 40, 41, 52, 58, 60, 65, 78, 82, 87, 104, 116, 120, 123, 130, 145, 156, 157, 164, 174, 195, 205, 232, 246, 260, 290, 312, 314, 328, 348, 377, 390, 410, 435, 471, 492, 520, 533, 580, 615, 628, 696, 754, 780, 785, 820, 870, 942, 984, 1066, 1131, 1160, 1189, 1230, 1256, 1508, 1560, 1570, 1599, 1640, 1740, 1884, 1885, 2041, 2132, 2262, 2355, 2378, 2460, 2665, 3016, 3140, 3198, 3480, 3567, 3768, 3770, 4082, 4264, 4524, 4553, 4710, 4756, 4920, 5330, 5655, 5945, 6123, 6280, 6396, 6437, 7134, 7540, 7995, 8164, 9048, 9106, 9420, 9512, 10205, 10660, 11310, 11890, 12246, 12792, 12874, 13659, 14268, 15080, 15457, 15990, 16328, 17835, 18212, 18840, 19311, 20410, 21320, 22620, 22765, 23780, 24492, 25748, 27318, 28536, 30615, 30914, 31980, 32185, 35670, 36424, 38622, 40820, 45240, 45530, 46371, 47560, 48984, 51496, 54636, 59189, 61230, 61828, 63960, 64370, 68295, 71340, 77244, 77285, 81640, 83681, 91060, 92742, 96555, 109272, 118378, 122460, 123656, 128740, 136590, 142680, 154488, 154570, 167362, 177567, 182120, 185484, 186673, 193110, 231855, 236756, 244920, 251043, 257480, 273180, 295945, 309140, 334724, 355134, 370968, 373346, 386220, 418405, 463710, 473512, 502086, 546360, 560019, 591890, 618280, 669448, 710268, 746692, 772440, 836810, 887835, 927420, 933365, 1004172, 1120038, 1183780, 1255215, 1420536, 1493384, 1673620, 1775670, 1854840, 1866730, 2008344, 2240076, 2367560, 2426749, 2510430, 2800095, 3347240, 3551340, 3733460, 4480152, 4853498, 5020860, 5600190, 7102680, 7280247, 7466920, 9706996, 10041720, 11200380, 12133745, 14560494, 19413992, 22400760, 24267490, 29120988, 36401235, 48534980, 58241976, 72802470, 97069960, 145604940, 291209880]

約数ペア:

[(1, 291209880), (2, 145604940), (3, 97069960), (4, 72802470), (5, 58241976), (6, 48534980), (8, 36401235), (10, 29120988), (12, 24267490), (13, 22400760), (15, 19413992), (20, 14560494), (24, 12133745), (26, 11200380), (29, 10041720), (30, 9706996), (39, 7466920), (40, 7280247), (41, 7102680), (52, 5600190), (58, 5020860), (60, 4853498), (65, 4480152), (78, 3733460), (82, 3551340), (87, 3347240), (104, 2800095), (116, 2510430), (120, 2426749), (123, 2367560), (130, 2240076), (145, 2008344), (156, 1866730), (157, 1854840), (164, 1775670), (174, 1673620), (195, 1493384), (205, 1420536), (232, 1255215), (246, 1183780), (260, 1120038), (290, 1004172), (312, 933365), (314, 927420), (328, 887835), (348, 836810), (377, 772440), (390, 746692), (410, 710268), (435, 669448), (471, 618280), (492, 591890), (520, 560019), (533, 546360), (580, 502086), (615, 473512), (628, 463710), (696, 418405), (754, 386220), (780, 373346), (785, 370968), (820, 355134), (870, 334724), (942, 309140), (984, 295945), (1066, 273180), (1131, 257480), (1160, 251043), (1189, 244920), (1230, 236756), (1256, 231855), (1508, 193110), (1560, 186673), (1570, 185484), (1599, 182120), (1640, 177567), (1740, 167362), (1884, 154570), (1885, 154488), (2041, 142680), (2132, 136590), (2262, 128740), (2355, 123656), (2378, 122460), (2460, 118378), (2665, 109272), (3016, 96555), (3140, 92742), (3198, 91060), (3480, 83681), (3567, 81640), (3768, 77285), (3770, 77244), (4082, 71340), (4264, 68295), (4524, 64370), (4553, 63960), (4710, 61828), (4756, 61230), (4920, 59189), (5330, 54636), (5655, 51496), (5945, 48984), (6123, 47560), (6280, 46371), (6396, 45530), (6437, 45240), (7134, 40820), (7540, 38622), (7995, 36424), (8164, 35670), (9048, 32185), (9106, 31980), (9420, 30914), (9512, 30615), (10205, 28536), (10660, 27318), (11310, 25748), (11890, 24492), (12246, 23780), (12792, 22765), (12874, 22620), (13659, 21320), (14268, 20410), (15080, 19311), (15457, 18840), (15990, 18212), (16328, 17835)]