66905440

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1$

素因数の和:141

約数の個数: 192

約数和(自身を含む): 195084288

約数和(自身を除く): 128178848

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 41, 47, 56, 62, 70, 80, 82, 94, 112, 124, 140, 155, 160, 164, 188, 205, 217, 224, 235, 248, 280, 287, 310, 328, 329, 376, 410, 434, 470, 496, 560, 574, 620, 656, 658, 752, 820, 868, 940, 992, 1085, 1120, 1148, 1240, 1271, 1312, 1316, 1435, 1457, 1504, 1640, 1645, 1736, 1880, 1927, 2170, 2296, 2480, 2542, 2632, 2870, 2914, 3280, 3290, 3472, 3760, 3854, 4340, 4592, 4960, 5084, 5264, 5740, 5828, 6355, 6560, 6580, 6944, 7285, 7520, 7708, 8680, 8897, 9184, 9635, 10168, 10199, 10528, 11480, 11656, 12710, 13160, 13489, 14570, 15416, 17360, 17794, 19270, 20336, 20398, 22960, 23312, 25420, 26320, 26978, 29140, 30832, 34720, 35588, 38540, 40672, 40796, 44485, 45920, 46624, 50840, 50995, 52640, 53956, 58280, 59737, 61664, 67445, 71176, 77080, 81592, 88970, 101680, 101990, 107912, 116560, 119474, 134890, 142352, 154160, 163184, 177940, 203360, 203980, 215824, 233120, 238948, 269780, 284704, 298685, 308320, 326368, 355880, 407960, 418159, 431648, 477896, 539560, 597370, 711760, 815920, 836318, 955792, 1079120, 1194740, 1423520, 1631840, 1672636, 1911584, 2090795, 2158240, 2389480, 3345272, 4181590, 4778960, 6690544, 8363180, 9557920, 13381088, 16726360, 33452720, 66905440]

約数ペア:

[(1, 66905440), (2, 33452720), (4, 16726360), (5, 13381088), (7, 9557920), (8, 8363180), (10, 6690544), (14, 4778960), (16, 4181590), (20, 3345272), (28, 2389480), (31, 2158240), (32, 2090795), (35, 1911584), (40, 1672636), (41, 1631840), (47, 1423520), (56, 1194740), (62, 1079120), (70, 955792), (80, 836318), (82, 815920), (94, 711760), (112, 597370), (124, 539560), (140, 477896), (155, 431648), (160, 418159), (164, 407960), (188, 355880), (205, 326368), (217, 308320), (224, 298685), (235, 284704), (248, 269780), (280, 238948), (287, 233120), (310, 215824), (328, 203980), (329, 203360), (376, 177940), (410, 163184), (434, 154160), (470, 142352), (496, 134890), (560, 119474), (574, 116560), (620, 107912), (656, 101990), (658, 101680), (752, 88970), (820, 81592), (868, 77080), (940, 71176), (992, 67445), (1085, 61664), (1120, 59737), (1148, 58280), (1240, 53956), (1271, 52640), (1312, 50995), (1316, 50840), (1435, 46624), (1457, 45920), (1504, 44485), (1640, 40796), (1645, 40672), (1736, 38540), (1880, 35588), (1927, 34720), (2170, 30832), (2296, 29140), (2480, 26978), (2542, 26320), (2632, 25420), (2870, 23312), (2914, 22960), (3280, 20398), (3290, 20336), (3472, 19270), (3760, 17794), (3854, 17360), (4340, 15416), (4592, 14570), (4960, 13489), (5084, 13160), (5264, 12710), (5740, 11656), (5828, 11480), (6355, 10528), (6560, 10199), (6580, 10168), (6944, 9635), (7285, 9184), (7520, 8897), (7708, 8680)]