159397840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{211}}^1$

素因数の和:321

約数の個数: 160

約数和(自身を含む): 454256640

約数和(自身を除く): 294858800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 35, 38, 40, 56, 70, 71, 76, 80, 95, 112, 133, 140, 142, 152, 190, 211, 266, 280, 284, 304, 355, 380, 422, 497, 532, 560, 568, 665, 710, 760, 844, 994, 1055, 1064, 1136, 1330, 1349, 1420, 1477, 1520, 1688, 1988, 2110, 2128, 2485, 2660, 2698, 2840, 2954, 3376, 3976, 4009, 4220, 4970, 5320, 5396, 5680, 5908, 6745, 7385, 7952, 8018, 8440, 9443, 9940, 10640, 10792, 11816, 13490, 14770, 14981, 16036, 16880, 18886, 19880, 20045, 21584, 23632, 26980, 28063, 29540, 29962, 32072, 37772, 39760, 40090, 47215, 53960, 56126, 59080, 59924, 64144, 74905, 75544, 80180, 94430, 104867, 107920, 112252, 118160, 119848, 140315, 149810, 151088, 160360, 188860, 209734, 224504, 239696, 280630, 284639, 299620, 320720, 377720, 419468, 449008, 524335, 561260, 569278, 599240, 755440, 838936, 1048670, 1122520, 1138556, 1198480, 1423195, 1677872, 1992473, 2097340, 2245040, 2277112, 2846390, 3984946, 4194680, 4554224, 5692780, 7969892, 8389360, 9962365, 11385560, 15939784, 19924730, 22771120, 31879568, 39849460, 79698920, 159397840]

約数ペア:

[(1, 159397840), (2, 79698920), (4, 39849460), (5, 31879568), (7, 22771120), (8, 19924730), (10, 15939784), (14, 11385560), (16, 9962365), (19, 8389360), (20, 7969892), (28, 5692780), (35, 4554224), (38, 4194680), (40, 3984946), (56, 2846390), (70, 2277112), (71, 2245040), (76, 2097340), (80, 1992473), (95, 1677872), (112, 1423195), (133, 1198480), (140, 1138556), (142, 1122520), (152, 1048670), (190, 838936), (211, 755440), (266, 599240), (280, 569278), (284, 561260), (304, 524335), (355, 449008), (380, 419468), (422, 377720), (497, 320720), (532, 299620), (560, 284639), (568, 280630), (665, 239696), (710, 224504), (760, 209734), (844, 188860), (994, 160360), (1055, 151088), (1064, 149810), (1136, 140315), (1330, 119848), (1349, 118160), (1420, 112252), (1477, 107920), (1520, 104867), (1688, 94430), (1988, 80180), (2110, 75544), (2128, 74905), (2485, 64144), (2660, 59924), (2698, 59080), (2840, 56126), (2954, 53960), (3376, 47215), (3976, 40090), (4009, 39760), (4220, 37772), (4970, 32072), (5320, 29962), (5396, 29540), (5680, 28063), (5908, 26980), (6745, 23632), (7385, 21584), (7952, 20045), (8018, 19880), (8440, 18886), (9443, 16880), (9940, 16036), (10640, 14981), (10792, 14770), (11816, 13490)]