129639280

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{173}}^1$

素因数の和:251

約数の個数: 160

約数和(自身を含む): 349531200

約数和(自身を除く): 219891920

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 19, 20, 29, 34, 38, 40, 58, 68, 76, 80, 85, 95, 116, 136, 145, 152, 170, 173, 190, 232, 272, 290, 304, 323, 340, 346, 380, 464, 493, 551, 580, 646, 680, 692, 760, 865, 986, 1102, 1160, 1292, 1360, 1384, 1520, 1615, 1730, 1972, 2204, 2320, 2465, 2584, 2755, 2768, 2941, 3230, 3287, 3460, 3944, 4408, 4930, 5017, 5168, 5510, 5882, 6460, 6574, 6920, 7888, 8816, 9367, 9860, 10034, 11020, 11764, 12920, 13148, 13840, 14705, 16435, 18734, 19720, 20068, 22040, 23528, 25085, 25840, 26296, 29410, 32870, 37468, 39440, 40136, 44080, 46835, 47056, 50170, 52592, 55879, 58820, 65740, 74936, 80272, 85289, 93670, 95323, 100340, 111758, 117640, 131480, 149872, 170578, 187340, 190646, 200680, 223516, 235280, 262960, 279395, 341156, 374680, 381292, 401360, 426445, 447032, 476615, 558790, 682312, 749360, 762584, 852890, 894064, 953230, 1117580, 1364624, 1525168, 1620491, 1705780, 1906460, 2235160, 3240982, 3411560, 3812920, 4470320, 6481964, 6823120, 7625840, 8102455, 12963928, 16204910, 25927856, 32409820, 64819640, 129639280]

約数ペア:

[(1, 129639280), (2, 64819640), (4, 32409820), (5, 25927856), (8, 16204910), (10, 12963928), (16, 8102455), (17, 7625840), (19, 6823120), (20, 6481964), (29, 4470320), (34, 3812920), (38, 3411560), (40, 3240982), (58, 2235160), (68, 1906460), (76, 1705780), (80, 1620491), (85, 1525168), (95, 1364624), (116, 1117580), (136, 953230), (145, 894064), (152, 852890), (170, 762584), (173, 749360), (190, 682312), (232, 558790), (272, 476615), (290, 447032), (304, 426445), (323, 401360), (340, 381292), (346, 374680), (380, 341156), (464, 279395), (493, 262960), (551, 235280), (580, 223516), (646, 200680), (680, 190646), (692, 187340), (760, 170578), (865, 149872), (986, 131480), (1102, 117640), (1160, 111758), (1292, 100340), (1360, 95323), (1384, 93670), (1520, 85289), (1615, 80272), (1730, 74936), (1972, 65740), (2204, 58820), (2320, 55879), (2465, 52592), (2584, 50170), (2755, 47056), (2768, 46835), (2941, 44080), (3230, 40136), (3287, 39440), (3460, 37468), (3944, 32870), (4408, 29410), (4930, 26296), (5017, 25840), (5168, 25085), (5510, 23528), (5882, 22040), (6460, 20068), (6574, 19720), (6920, 18734), (7888, 16435), (8816, 14705), (9367, 13840), (9860, 13148), (10034, 12920), (11020, 11764)]