71581356

素因数分解:

$2^2\times 3^2\times 7^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1$

素因数の和:90

約数の個数: 288

約数和(自身を含む): 251596800

約数和(自身を除く): 180015444

約数列:

[1, 2, 3, 4, 6, 7, 9, 11, 12, 14, 17, 18, 21, 22, 28, 31, 33, 34, 36, 42, 44, 49, 51, 62, 63, 66, 68, 77, 84, 93, 98, 99, 102, 119, 124, 126, 132, 147, 153, 154, 186, 187, 196, 198, 204, 217, 231, 238, 252, 279, 294, 306, 308, 341, 343, 357, 372, 374, 396, 434, 441, 462, 476, 527, 539, 558, 561, 588, 612, 651, 682, 686, 693, 714, 748, 833, 868, 882, 924, 1023, 1029, 1054, 1071, 1078, 1116, 1122, 1302, 1309, 1364, 1372, 1386, 1428, 1519, 1581, 1617, 1666, 1683, 1764, 1953, 2046, 2058, 2108, 2142, 2156, 2244, 2387, 2499, 2604, 2618, 2772, 3038, 3069, 3087, 3162, 3234, 3332, 3366, 3689, 3773, 3906, 3927, 4092, 4116, 4284, 4557, 4743, 4774, 4851, 4998, 5236, 5797, 5831, 6076, 6138, 6174, 6324, 6468, 6732, 7161, 7378, 7497, 7546, 7812, 7854, 9114, 9163, 9486, 9548, 9702, 9996, 10633, 11067, 11319, 11594, 11662, 11781, 12276, 12348, 13671, 14322, 14756, 14994, 15092, 15708, 16709, 17391, 17493, 18228, 18326, 18972, 19404, 21266, 21483, 22134, 22638, 23188, 23324, 23562, 25823, 27342, 27489, 28644, 29988, 31899, 33201, 33418, 33957, 34782, 34986, 36652, 40579, 42532, 42966, 44268, 45276, 47124, 50127, 51646, 52173, 52479, 54684, 54978, 63798, 64141, 66402, 66836, 67914, 69564, 69972, 77469, 81158, 82467, 85932, 95697, 100254, 103292, 104346, 104958, 109956, 116963, 121737, 127596, 128282, 132804, 135828, 150381, 154938, 162316, 164934, 180761, 191394, 192423, 200508, 208692, 209916, 232407, 233926, 243474, 256564, 284053, 300762, 309876, 329868, 350889, 361522, 365211, 382788, 384846, 464814, 467852, 486948, 542283, 568106, 577269, 601524, 701778, 723044, 730422, 769692, 852159, 929628, 1052667, 1084566, 1136212, 1154538, 1403556, 1460844, 1626849, 1704318, 1988371, 2105334, 2169132, 2309076, 2556477, 3253698, 3408636, 3976742, 4210668, 5112954, 5965113, 6507396, 7953484, 10225908, 11930226, 17895339, 23860452, 35790678, 71581356]

約数ペア:

[(1, 71581356), (2, 35790678), (3, 23860452), (4, 17895339), (6, 11930226), (7, 10225908), (9, 7953484), (11, 6507396), (12, 5965113), (14, 5112954), (17, 4210668), (18, 3976742), (21, 3408636), (22, 3253698), (28, 2556477), (31, 2309076), (33, 2169132), (34, 2105334), (36, 1988371), (42, 1704318), (44, 1626849), (49, 1460844), (51, 1403556), (62, 1154538), (63, 1136212), (66, 1084566), (68, 1052667), (77, 929628), (84, 852159), (93, 769692), (98, 730422), (99, 723044), (102, 701778), (119, 601524), (124, 577269), (126, 568106), (132, 542283), (147, 486948), (153, 467852), (154, 464814), (186, 384846), (187, 382788), (196, 365211), (198, 361522), (204, 350889), (217, 329868), (231, 309876), (238, 300762), (252, 284053), (279, 256564), (294, 243474), (306, 233926), (308, 232407), (341, 209916), (343, 208692), (357, 200508), (372, 192423), (374, 191394), (396, 180761), (434, 164934), (441, 162316), (462, 154938), (476, 150381), (527, 135828), (539, 132804), (558, 128282), (561, 127596), (588, 121737), (612, 116963), (651, 109956), (682, 104958), (686, 104346), (693, 103292), (714, 100254), (748, 95697), (833, 85932), (868, 82467), (882, 81158), (924, 77469), (1023, 69972), (1029, 69564), (1054, 67914), (1071, 66836), (1078, 66402), (1116, 64141), (1122, 63798), (1302, 54978), (1309, 54684), (1364, 52479), (1372, 52173), (1386, 51646), (1428, 50127), (1519, 47124), (1581, 45276), (1617, 44268), (1666, 42966), (1683, 42532), (1764, 40579), (1953, 36652), (2046, 34986), (2058, 34782), (2108, 33957), (2142, 33418), (2156, 33201), (2244, 31899), (2387, 29988), (2499, 28644), (2604, 27489), (2618, 27342), (2772, 25823), (3038, 23562), (3069, 23324), (3087, 23188), (3162, 22638), (3234, 22134), (3332, 21483), (3366, 21266), (3689, 19404), (3773, 18972), (3906, 18326), (3927, 18228), (4092, 17493), (4116, 17391), (4284, 16709), (4557, 15708), (4743, 15092), (4774, 14994), (4851, 14756), (4998, 14322), (5236, 13671), (5797, 12348), (5831, 12276), (6076, 11781), (6138, 11662), (6174, 11594), (6324, 11319), (6468, 11067), (6732, 10633), (7161, 9996), (7378, 9702), (7497, 9548), (7546, 9486), (7812, 9163), (7854, 9114)]