178995240

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{373}}^1$

素因数の和:464

約数の個数: 192

約数和(自身を含む): 616112640

約数和(自身を除く): 437117400

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 31, 36, 40, 43, 45, 60, 62, 72, 86, 90, 93, 120, 124, 129, 155, 172, 180, 186, 215, 248, 258, 279, 310, 344, 360, 372, 373, 387, 430, 465, 516, 558, 620, 645, 744, 746, 774, 860, 930, 1032, 1116, 1119, 1240, 1290, 1333, 1395, 1492, 1548, 1720, 1860, 1865, 1935, 2232, 2238, 2580, 2666, 2790, 2984, 3096, 3357, 3720, 3730, 3870, 3999, 4476, 5160, 5332, 5580, 5595, 6665, 6714, 7460, 7740, 7998, 8952, 10664, 11160, 11190, 11563, 11997, 13330, 13428, 14920, 15480, 15996, 16039, 16785, 19995, 22380, 23126, 23994, 26660, 26856, 31992, 32078, 33570, 34689, 39990, 44760, 46252, 47988, 48117, 53320, 57815, 59985, 64156, 67140, 69378, 79980, 80195, 92504, 95976, 96234, 104067, 115630, 119970, 128312, 134280, 138756, 144351, 159960, 160390, 173445, 192468, 208134, 231260, 239940, 240585, 277512, 288702, 320780, 346890, 384936, 416268, 462520, 479880, 481170, 497209, 520335, 577404, 641560, 693780, 721755, 832536, 962340, 994418, 1040670, 1154808, 1387560, 1443510, 1491627, 1924680, 1988836, 2081340, 2486045, 2887020, 2983254, 3977672, 4162680, 4474881, 4972090, 5774040, 5966508, 7458135, 8949762, 9944180, 11933016, 14916270, 17899524, 19888360, 22374405, 29832540, 35799048, 44748810, 59665080, 89497620, 178995240]

約数ペア:

[(1, 178995240), (2, 89497620), (3, 59665080), (4, 44748810), (5, 35799048), (6, 29832540), (8, 22374405), (9, 19888360), (10, 17899524), (12, 14916270), (15, 11933016), (18, 9944180), (20, 8949762), (24, 7458135), (30, 5966508), (31, 5774040), (36, 4972090), (40, 4474881), (43, 4162680), (45, 3977672), (60, 2983254), (62, 2887020), (72, 2486045), (86, 2081340), (90, 1988836), (93, 1924680), (120, 1491627), (124, 1443510), (129, 1387560), (155, 1154808), (172, 1040670), (180, 994418), (186, 962340), (215, 832536), (248, 721755), (258, 693780), (279, 641560), (310, 577404), (344, 520335), (360, 497209), (372, 481170), (373, 479880), (387, 462520), (430, 416268), (465, 384936), (516, 346890), (558, 320780), (620, 288702), (645, 277512), (744, 240585), (746, 239940), (774, 231260), (860, 208134), (930, 192468), (1032, 173445), (1116, 160390), (1119, 159960), (1240, 144351), (1290, 138756), (1333, 134280), (1395, 128312), (1492, 119970), (1548, 115630), (1720, 104067), (1860, 96234), (1865, 95976), (1935, 92504), (2232, 80195), (2238, 79980), (2580, 69378), (2666, 67140), (2790, 64156), (2984, 59985), (3096, 57815), (3357, 53320), (3720, 48117), (3730, 47988), (3870, 46252), (3999, 44760), (4476, 39990), (5160, 34689), (5332, 33570), (5580, 32078), (5595, 31992), (6665, 26856), (6714, 26660), (7460, 23994), (7740, 23126), (7998, 22380), (8952, 19995), (10664, 16785), (11160, 16039), (11190, 15996), (11563, 15480), (11997, 14920), (13330, 13428)]