28996560

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1$

素因数の和:162

約数の個数: 240

約数和(自身を含む): 108635904

約数和(自身を除く): 79639344

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 23, 24, 30, 34, 36, 40, 45, 46, 48, 51, 60, 68, 69, 72, 80, 85, 90, 92, 102, 103, 115, 120, 136, 138, 144, 153, 170, 180, 184, 204, 206, 207, 230, 240, 255, 272, 276, 306, 309, 340, 345, 360, 368, 391, 408, 412, 414, 460, 510, 515, 552, 612, 618, 680, 690, 720, 765, 782, 816, 824, 828, 920, 927, 1020, 1030, 1035, 1104, 1173, 1224, 1236, 1360, 1380, 1530, 1545, 1564, 1648, 1656, 1751, 1840, 1854, 1955, 2040, 2060, 2070, 2346, 2369, 2448, 2472, 2760, 3060, 3090, 3128, 3312, 3502, 3519, 3708, 3910, 4080, 4120, 4140, 4635, 4692, 4738, 4944, 5253, 5520, 5865, 6120, 6180, 6256, 7004, 7038, 7107, 7416, 7820, 8240, 8280, 8755, 9270, 9384, 9476, 10506, 11730, 11845, 12240, 12360, 14008, 14076, 14214, 14832, 15640, 15759, 16560, 17510, 17595, 18540, 18768, 18952, 21012, 21321, 23460, 23690, 24720, 26265, 28016, 28152, 28428, 31280, 31518, 35020, 35190, 35535, 37080, 37904, 40273, 42024, 42642, 46920, 47380, 52530, 56304, 56856, 63036, 70040, 70380, 71070, 74160, 78795, 80546, 84048, 85284, 93840, 94760, 105060, 106605, 113712, 120819, 126072, 140080, 140760, 142140, 157590, 161092, 170568, 189520, 201365, 210120, 213210, 241638, 252144, 281520, 284280, 315180, 322184, 341136, 362457, 402730, 420240, 426420, 483276, 568560, 604095, 630360, 644368, 724914, 805460, 852840, 966552, 1208190, 1260720, 1449828, 1610920, 1705680, 1812285, 1933104, 2416380, 2899656, 3221840, 3624570, 4832760, 5799312, 7249140, 9665520, 14498280, 28996560]

約数ペア:

[(1, 28996560), (2, 14498280), (3, 9665520), (4, 7249140), (5, 5799312), (6, 4832760), (8, 3624570), (9, 3221840), (10, 2899656), (12, 2416380), (15, 1933104), (16, 1812285), (17, 1705680), (18, 1610920), (20, 1449828), (23, 1260720), (24, 1208190), (30, 966552), (34, 852840), (36, 805460), (40, 724914), (45, 644368), (46, 630360), (48, 604095), (51, 568560), (60, 483276), (68, 426420), (69, 420240), (72, 402730), (80, 362457), (85, 341136), (90, 322184), (92, 315180), (102, 284280), (103, 281520), (115, 252144), (120, 241638), (136, 213210), (138, 210120), (144, 201365), (153, 189520), (170, 170568), (180, 161092), (184, 157590), (204, 142140), (206, 140760), (207, 140080), (230, 126072), (240, 120819), (255, 113712), (272, 106605), (276, 105060), (306, 94760), (309, 93840), (340, 85284), (345, 84048), (360, 80546), (368, 78795), (391, 74160), (408, 71070), (412, 70380), (414, 70040), (460, 63036), (510, 56856), (515, 56304), (552, 52530), (612, 47380), (618, 46920), (680, 42642), (690, 42024), (720, 40273), (765, 37904), (782, 37080), (816, 35535), (824, 35190), (828, 35020), (920, 31518), (927, 31280), (1020, 28428), (1030, 28152), (1035, 28016), (1104, 26265), (1173, 24720), (1224, 23690), (1236, 23460), (1360, 21321), (1380, 21012), (1530, 18952), (1545, 18768), (1564, 18540), (1648, 17595), (1656, 17510), (1751, 16560), (1840, 15759), (1854, 15640), (1955, 14832), (2040, 14214), (2060, 14076), (2070, 14008), (2346, 12360), (2369, 12240), (2448, 11845), (2472, 11730), (2760, 10506), (3060, 9476), (3090, 9384), (3128, 9270), (3312, 8755), (3502, 8280), (3519, 8240), (3708, 7820), (3910, 7416), (4080, 7107), (4120, 7038), (4140, 7004), (4635, 6256), (4692, 6180), (4738, 6120), (4944, 5865), (5253, 5520)]