219997680

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{7703}}^1$

素因数の和:7743

約数の個数: 160

約数和(自身を含む): 825375744

約数和(自身を除く): 605378064

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 17, 20, 21, 24, 28, 30, 34, 35, 40, 42, 48, 51, 56, 60, 68, 70, 80, 84, 85, 102, 105, 112, 119, 120, 136, 140, 168, 170, 204, 210, 238, 240, 255, 272, 280, 336, 340, 357, 408, 420, 476, 510, 560, 595, 680, 714, 816, 840, 952, 1020, 1190, 1360, 1428, 1680, 1785, 1904, 2040, 2380, 2856, 3570, 4080, 4760, 5712, 7140, 7703, 9520, 14280, 15406, 23109, 28560, 30812, 38515, 46218, 53921, 61624, 77030, 92436, 107842, 115545, 123248, 130951, 154060, 161763, 184872, 215684, 231090, 261902, 269605, 308120, 323526, 369744, 392853, 431368, 462180, 523804, 539210, 616240, 647052, 654755, 785706, 808815, 862736, 916657, 924360, 1047608, 1078420, 1294104, 1309510, 1571412, 1617630, 1833314, 1848720, 1964265, 2095216, 2156840, 2588208, 2619020, 2749971, 3142824, 3235260, 3666628, 3928530, 4313680, 4583285, 5238040, 5499942, 6285648, 6470520, 7333256, 7857060, 9166570, 10476080, 10999884, 12941040, 13749855, 14666512, 15714120, 18333140, 21999768, 27499710, 31428240, 36666280, 43999536, 54999420, 73332560, 109998840, 219997680]

約数ペア:

[(1, 219997680), (2, 109998840), (3, 73332560), (4, 54999420), (5, 43999536), (6, 36666280), (7, 31428240), (8, 27499710), (10, 21999768), (12, 18333140), (14, 15714120), (15, 14666512), (16, 13749855), (17, 12941040), (20, 10999884), (21, 10476080), (24, 9166570), (28, 7857060), (30, 7333256), (34, 6470520), (35, 6285648), (40, 5499942), (42, 5238040), (48, 4583285), (51, 4313680), (56, 3928530), (60, 3666628), (68, 3235260), (70, 3142824), (80, 2749971), (84, 2619020), (85, 2588208), (102, 2156840), (105, 2095216), (112, 1964265), (119, 1848720), (120, 1833314), (136, 1617630), (140, 1571412), (168, 1309510), (170, 1294104), (204, 1078420), (210, 1047608), (238, 924360), (240, 916657), (255, 862736), (272, 808815), (280, 785706), (336, 654755), (340, 647052), (357, 616240), (408, 539210), (420, 523804), (476, 462180), (510, 431368), (560, 392853), (595, 369744), (680, 323526), (714, 308120), (816, 269605), (840, 261902), (952, 231090), (1020, 215684), (1190, 184872), (1360, 161763), (1428, 154060), (1680, 130951), (1785, 123248), (1904, 115545), (2040, 107842), (2380, 92436), (2856, 77030), (3570, 61624), (4080, 53921), (4760, 46218), (5712, 38515), (7140, 30812), (7703, 28560), (9520, 23109), (14280, 15406)]