78209880

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{283}}^1$

素因数の和:358

約数の個数: 192

約数和(自身を含む): 279728640

約数和(自身を除く): 201518760

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 47, 49, 56, 60, 70, 84, 94, 98, 105, 120, 140, 141, 147, 168, 188, 196, 210, 235, 245, 280, 282, 283, 294, 329, 376, 392, 420, 470, 490, 564, 566, 588, 658, 705, 735, 840, 849, 940, 980, 987, 1128, 1132, 1176, 1316, 1410, 1415, 1470, 1645, 1698, 1880, 1960, 1974, 1981, 2264, 2303, 2632, 2820, 2830, 2940, 3290, 3396, 3948, 3962, 4245, 4606, 4935, 5640, 5660, 5880, 5943, 6580, 6792, 6909, 7896, 7924, 8490, 9212, 9870, 9905, 11320, 11515, 11886, 13160, 13301, 13818, 13867, 15848, 16980, 18424, 19740, 19810, 23030, 23772, 26602, 27636, 27734, 29715, 33960, 34545, 39480, 39620, 39903, 41601, 46060, 47544, 53204, 55272, 55468, 59430, 66505, 69090, 69335, 79240, 79806, 83202, 92120, 93107, 106408, 110936, 118860, 133010, 138180, 138670, 159612, 166404, 186214, 199515, 208005, 237720, 266020, 276360, 277340, 279321, 319224, 332808, 372428, 399030, 416010, 465535, 532040, 554680, 558642, 651749, 744856, 798060, 832020, 931070, 1117284, 1303498, 1396605, 1596120, 1664040, 1862140, 1955247, 2234568, 2606996, 2793210, 3258745, 3724280, 3910494, 5213992, 5586420, 6517490, 7820988, 9776235, 11172840, 13034980, 15641976, 19552470, 26069960, 39104940, 78209880]

約数ペア:

[(1, 78209880), (2, 39104940), (3, 26069960), (4, 19552470), (5, 15641976), (6, 13034980), (7, 11172840), (8, 9776235), (10, 7820988), (12, 6517490), (14, 5586420), (15, 5213992), (20, 3910494), (21, 3724280), (24, 3258745), (28, 2793210), (30, 2606996), (35, 2234568), (40, 1955247), (42, 1862140), (47, 1664040), (49, 1596120), (56, 1396605), (60, 1303498), (70, 1117284), (84, 931070), (94, 832020), (98, 798060), (105, 744856), (120, 651749), (140, 558642), (141, 554680), (147, 532040), (168, 465535), (188, 416010), (196, 399030), (210, 372428), (235, 332808), (245, 319224), (280, 279321), (282, 277340), (283, 276360), (294, 266020), (329, 237720), (376, 208005), (392, 199515), (420, 186214), (470, 166404), (490, 159612), (564, 138670), (566, 138180), (588, 133010), (658, 118860), (705, 110936), (735, 106408), (840, 93107), (849, 92120), (940, 83202), (980, 79806), (987, 79240), (1128, 69335), (1132, 69090), (1176, 66505), (1316, 59430), (1410, 55468), (1415, 55272), (1470, 53204), (1645, 47544), (1698, 46060), (1880, 41601), (1960, 39903), (1974, 39620), (1981, 39480), (2264, 34545), (2303, 33960), (2632, 29715), (2820, 27734), (2830, 27636), (2940, 26602), (3290, 23772), (3396, 23030), (3948, 19810), (3962, 19740), (4245, 18424), (4606, 16980), (4935, 15848), (5640, 13867), (5660, 13818), (5880, 13301), (5943, 13160), (6580, 11886), (6792, 11515), (6909, 11320), (7896, 9905), (7924, 9870), (8490, 9212)]