87067880

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{293}}^1$

素因数の和:363

約数の個数: 128

約数和(自身を含む): 228614400

約数和(自身を除く): 141546520

約数列:

[1, 2, 4, 5, 8, 10, 17, 19, 20, 23, 34, 38, 40, 46, 68, 76, 85, 92, 95, 115, 136, 152, 170, 184, 190, 230, 293, 323, 340, 380, 391, 437, 460, 586, 646, 680, 760, 782, 874, 920, 1172, 1292, 1465, 1564, 1615, 1748, 1955, 2185, 2344, 2584, 2930, 3128, 3230, 3496, 3910, 4370, 4981, 5567, 5860, 6460, 6739, 7429, 7820, 8740, 9962, 11134, 11720, 12920, 13478, 14858, 15640, 17480, 19924, 22268, 24905, 26956, 27835, 29716, 33695, 37145, 39848, 44536, 49810, 53912, 55670, 59432, 67390, 74290, 94639, 99620, 111340, 114563, 128041, 134780, 148580, 189278, 199240, 222680, 229126, 256082, 269560, 297160, 378556, 458252, 473195, 512164, 572815, 640205, 757112, 916504, 946390, 1024328, 1145630, 1280410, 1892780, 2176697, 2291260, 2560820, 3785560, 4353394, 4582520, 5121640, 8706788, 10883485, 17413576, 21766970, 43533940, 87067880]

約数ペア:

[(1, 87067880), (2, 43533940), (4, 21766970), (5, 17413576), (8, 10883485), (10, 8706788), (17, 5121640), (19, 4582520), (20, 4353394), (23, 3785560), (34, 2560820), (38, 2291260), (40, 2176697), (46, 1892780), (68, 1280410), (76, 1145630), (85, 1024328), (92, 946390), (95, 916504), (115, 757112), (136, 640205), (152, 572815), (170, 512164), (184, 473195), (190, 458252), (230, 378556), (293, 297160), (323, 269560), (340, 256082), (380, 229126), (391, 222680), (437, 199240), (460, 189278), (586, 148580), (646, 134780), (680, 128041), (760, 114563), (782, 111340), (874, 99620), (920, 94639), (1172, 74290), (1292, 67390), (1465, 59432), (1564, 55670), (1615, 53912), (1748, 49810), (1955, 44536), (2185, 39848), (2344, 37145), (2584, 33695), (2930, 29716), (3128, 27835), (3230, 26956), (3496, 24905), (3910, 22268), (4370, 19924), (4981, 17480), (5567, 15640), (5860, 14858), (6460, 13478), (6739, 12920), (7429, 11720), (7820, 11134), (8740, 9962)]