1990262016

素因数分解:

$2^8\times 3^4\times {\mathrm{41}}^1\times {\mathrm{2341}}^1$

素因数の和:2410

約数の個数: 180

約数和(自身を含む): 6081944484

約数和(自身を除く): 4091682468

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 41, 48, 54, 64, 72, 81, 82, 96, 108, 123, 128, 144, 162, 164, 192, 216, 246, 256, 288, 324, 328, 369, 384, 432, 492, 576, 648, 656, 738, 768, 864, 984, 1107, 1152, 1296, 1312, 1476, 1728, 1968, 2214, 2304, 2341, 2592, 2624, 2952, 3321, 3456, 3936, 4428, 4682, 5184, 5248, 5904, 6642, 6912, 7023, 7872, 8856, 9364, 10368, 10496, 11808, 13284, 14046, 15744, 17712, 18728, 20736, 21069, 23616, 26568, 28092, 31488, 35424, 37456, 42138, 47232, 53136, 56184, 63207, 70848, 74912, 84276, 94464, 95981, 106272, 112368, 126414, 141696, 149824, 168552, 189621, 191962, 212544, 224736, 252828, 283392, 287943, 299648, 337104, 379242, 383924, 425088, 449472, 505656, 575886, 599296, 674208, 758484, 767848, 850176, 863829, 898944, 1011312, 1151772, 1348416, 1516968, 1535696, 1727658, 1797888, 2022624, 2303544, 2591487, 2696832, 3033936, 3071392, 3455316, 4045248, 4607088, 5182974, 5393664, 6067872, 6142784, 6910632, 7774461, 8090496, 9214176, 10365948, 12135744, 12285568, 13821264, 15548922, 16180992, 18428352, 20731896, 24271488, 24571136, 27642528, 31097844, 36856704, 41463792, 48542976, 55285056, 62195688, 73713408, 82927584, 110570112, 124391376, 165855168, 221140224, 248782752, 331710336, 497565504, 663420672, 995131008, 1990262016]

約数ペア:

[(1, 1990262016), (2, 995131008), (3, 663420672), (4, 497565504), (6, 331710336), (8, 248782752), (9, 221140224), (12, 165855168), (16, 124391376), (18, 110570112), (24, 82927584), (27, 73713408), (32, 62195688), (36, 55285056), (41, 48542976), (48, 41463792), (54, 36856704), (64, 31097844), (72, 27642528), (81, 24571136), (82, 24271488), (96, 20731896), (108, 18428352), (123, 16180992), (128, 15548922), (144, 13821264), (162, 12285568), (164, 12135744), (192, 10365948), (216, 9214176), (246, 8090496), (256, 7774461), (288, 6910632), (324, 6142784), (328, 6067872), (369, 5393664), (384, 5182974), (432, 4607088), (492, 4045248), (576, 3455316), (648, 3071392), (656, 3033936), (738, 2696832), (768, 2591487), (864, 2303544), (984, 2022624), (1107, 1797888), (1152, 1727658), (1296, 1535696), (1312, 1516968), (1476, 1348416), (1728, 1151772), (1968, 1011312), (2214, 898944), (2304, 863829), (2341, 850176), (2592, 767848), (2624, 758484), (2952, 674208), (3321, 599296), (3456, 575886), (3936, 505656), (4428, 449472), (4682, 425088), (5184, 383924), (5248, 379242), (5904, 337104), (6642, 299648), (6912, 287943), (7023, 283392), (7872, 252828), (8856, 224736), (9364, 212544), (10368, 191962), (10496, 189621), (11808, 168552), (13284, 149824), (14046, 141696), (15744, 126414), (17712, 112368), (18728, 106272), (20736, 95981), (21069, 94464), (23616, 84276), (26568, 74912), (28092, 70848), (31488, 63207), (35424, 56184), (37456, 53136), (42138, 47232)]