129122480

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{263}}^1$

素因数の和:331

約数の個数: 120

約数和(自身を含む): 336755232

約数和(自身を除く): 207632752

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 19, 20, 34, 38, 40, 68, 76, 80, 85, 95, 136, 152, 170, 190, 263, 272, 304, 323, 340, 361, 380, 526, 646, 680, 722, 760, 1052, 1292, 1315, 1360, 1444, 1520, 1615, 1805, 2104, 2584, 2630, 2888, 3230, 3610, 4208, 4471, 4997, 5168, 5260, 5776, 6137, 6460, 7220, 8942, 9994, 10520, 12274, 12920, 14440, 17884, 19988, 21040, 22355, 24548, 24985, 25840, 28880, 30685, 35768, 39976, 44710, 49096, 49970, 61370, 71536, 79952, 84949, 89420, 94943, 98192, 99940, 122740, 169898, 178840, 189886, 199880, 245480, 339796, 357680, 379772, 399760, 424745, 474715, 490960, 679592, 759544, 849490, 949430, 1359184, 1519088, 1614031, 1698980, 1898860, 3228062, 3397960, 3797720, 6456124, 6795920, 7595440, 8070155, 12912248, 16140310, 25824496, 32280620, 64561240, 129122480]

約数ペア:

[(1, 129122480), (2, 64561240), (4, 32280620), (5, 25824496), (8, 16140310), (10, 12912248), (16, 8070155), (17, 7595440), (19, 6795920), (20, 6456124), (34, 3797720), (38, 3397960), (40, 3228062), (68, 1898860), (76, 1698980), (80, 1614031), (85, 1519088), (95, 1359184), (136, 949430), (152, 849490), (170, 759544), (190, 679592), (263, 490960), (272, 474715), (304, 424745), (323, 399760), (340, 379772), (361, 357680), (380, 339796), (526, 245480), (646, 199880), (680, 189886), (722, 178840), (760, 169898), (1052, 122740), (1292, 99940), (1315, 98192), (1360, 94943), (1444, 89420), (1520, 84949), (1615, 79952), (1805, 71536), (2104, 61370), (2584, 49970), (2630, 49096), (2888, 44710), (3230, 39976), (3610, 35768), (4208, 30685), (4471, 28880), (4997, 25840), (5168, 24985), (5260, 24548), (5776, 22355), (6137, 21040), (6460, 19988), (7220, 17884), (8942, 14440), (9994, 12920), (10520, 12274)]