28579040

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1$

素因数の和:137

約数の個数: 192

約数和(自身を含む): 87091200

約数和(自身を除く): 58512160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 19, 20, 28, 32, 34, 35, 38, 40, 56, 68, 70, 76, 79, 80, 85, 95, 112, 119, 133, 136, 140, 152, 158, 160, 170, 190, 224, 238, 266, 272, 280, 304, 316, 323, 340, 380, 395, 476, 532, 544, 553, 560, 595, 608, 632, 646, 665, 680, 760, 790, 952, 1064, 1106, 1120, 1190, 1264, 1292, 1330, 1343, 1360, 1501, 1520, 1580, 1615, 1904, 2128, 2212, 2261, 2380, 2528, 2584, 2660, 2686, 2720, 2765, 3002, 3040, 3160, 3230, 3808, 4256, 4424, 4522, 4760, 5168, 5320, 5372, 5530, 6004, 6320, 6460, 6715, 7505, 8848, 9044, 9401, 9520, 10336, 10507, 10640, 10744, 11060, 11305, 12008, 12640, 12920, 13430, 15010, 17696, 18088, 18802, 19040, 21014, 21280, 21488, 22120, 22610, 24016, 25517, 25840, 26860, 30020, 36176, 37604, 42028, 42976, 44240, 45220, 47005, 48032, 51034, 51680, 52535, 53720, 60040, 72352, 75208, 84056, 88480, 90440, 94010, 102068, 105070, 107440, 120080, 127585, 150416, 168112, 178619, 180880, 188020, 204136, 210140, 214880, 240160, 255170, 300832, 336224, 357238, 361760, 376040, 408272, 420280, 510340, 714476, 752080, 816544, 840560, 893095, 1020680, 1428952, 1504160, 1681120, 1786190, 2041360, 2857904, 3572380, 4082720, 5715808, 7144760, 14289520, 28579040]

約数ペア:

[(1, 28579040), (2, 14289520), (4, 7144760), (5, 5715808), (7, 4082720), (8, 3572380), (10, 2857904), (14, 2041360), (16, 1786190), (17, 1681120), (19, 1504160), (20, 1428952), (28, 1020680), (32, 893095), (34, 840560), (35, 816544), (38, 752080), (40, 714476), (56, 510340), (68, 420280), (70, 408272), (76, 376040), (79, 361760), (80, 357238), (85, 336224), (95, 300832), (112, 255170), (119, 240160), (133, 214880), (136, 210140), (140, 204136), (152, 188020), (158, 180880), (160, 178619), (170, 168112), (190, 150416), (224, 127585), (238, 120080), (266, 107440), (272, 105070), (280, 102068), (304, 94010), (316, 90440), (323, 88480), (340, 84056), (380, 75208), (395, 72352), (476, 60040), (532, 53720), (544, 52535), (553, 51680), (560, 51034), (595, 48032), (608, 47005), (632, 45220), (646, 44240), (665, 42976), (680, 42028), (760, 37604), (790, 36176), (952, 30020), (1064, 26860), (1106, 25840), (1120, 25517), (1190, 24016), (1264, 22610), (1292, 22120), (1330, 21488), (1343, 21280), (1360, 21014), (1501, 19040), (1520, 18802), (1580, 18088), (1615, 17696), (1904, 15010), (2128, 13430), (2212, 12920), (2261, 12640), (2380, 12008), (2528, 11305), (2584, 11060), (2660, 10744), (2686, 10640), (2720, 10507), (2765, 10336), (3002, 9520), (3040, 9401), (3160, 9044), (3230, 8848), (3808, 7505), (4256, 6715), (4424, 6460), (4522, 6320), (4760, 6004), (5168, 5530), (5320, 5372)]