77726720

素因数分解:

$2^{10}\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1$

素因数の和:108

約数の個数: 176

約数和(自身を含む): 212232960

約数和(自身を除く): 134506240

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 19, 20, 32, 34, 38, 40, 47, 64, 68, 76, 80, 85, 94, 95, 128, 136, 152, 160, 170, 188, 190, 235, 256, 272, 304, 320, 323, 340, 376, 380, 470, 512, 544, 608, 640, 646, 680, 752, 760, 799, 893, 940, 1024, 1088, 1216, 1280, 1292, 1360, 1504, 1520, 1598, 1615, 1786, 1880, 2176, 2432, 2560, 2584, 2720, 3008, 3040, 3196, 3230, 3572, 3760, 3995, 4352, 4465, 4864, 5120, 5168, 5440, 6016, 6080, 6392, 6460, 7144, 7520, 7990, 8704, 8930, 9728, 10336, 10880, 12032, 12160, 12784, 12920, 14288, 15040, 15181, 15980, 17408, 17860, 19456, 20672, 21760, 24064, 24320, 25568, 25840, 28576, 30080, 30362, 31960, 35720, 41344, 43520, 48128, 48640, 51136, 51680, 57152, 60160, 60724, 63920, 71440, 75905, 82688, 87040, 97280, 102272, 103360, 114304, 120320, 121448, 127840, 142880, 151810, 165376, 204544, 206720, 228608, 240640, 242896, 255680, 285760, 303620, 330752, 409088, 413440, 457216, 485792, 511360, 571520, 607240, 818176, 826880, 914432, 971584, 1022720, 1143040, 1214480, 1653760, 1943168, 2045440, 2286080, 2428960, 3886336, 4090880, 4572160, 4857920, 7772672, 9715840, 15545344, 19431680, 38863360, 77726720]

約数ペア:

[(1, 77726720), (2, 38863360), (4, 19431680), (5, 15545344), (8, 9715840), (10, 7772672), (16, 4857920), (17, 4572160), (19, 4090880), (20, 3886336), (32, 2428960), (34, 2286080), (38, 2045440), (40, 1943168), (47, 1653760), (64, 1214480), (68, 1143040), (76, 1022720), (80, 971584), (85, 914432), (94, 826880), (95, 818176), (128, 607240), (136, 571520), (152, 511360), (160, 485792), (170, 457216), (188, 413440), (190, 409088), (235, 330752), (256, 303620), (272, 285760), (304, 255680), (320, 242896), (323, 240640), (340, 228608), (376, 206720), (380, 204544), (470, 165376), (512, 151810), (544, 142880), (608, 127840), (640, 121448), (646, 120320), (680, 114304), (752, 103360), (760, 102272), (799, 97280), (893, 87040), (940, 82688), (1024, 75905), (1088, 71440), (1216, 63920), (1280, 60724), (1292, 60160), (1360, 57152), (1504, 51680), (1520, 51136), (1598, 48640), (1615, 48128), (1786, 43520), (1880, 41344), (2176, 35720), (2432, 31960), (2560, 30362), (2584, 30080), (2720, 28576), (3008, 25840), (3040, 25568), (3196, 24320), (3230, 24064), (3572, 21760), (3760, 20672), (3995, 19456), (4352, 17860), (4465, 17408), (4864, 15980), (5120, 15181), (5168, 15040), (5440, 14288), (6016, 12920), (6080, 12784), (6392, 12160), (6460, 12032), (7144, 10880), (7520, 10336), (7990, 9728), (8704, 8930)]