245879760

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{7703}}^1$

素因数の和:7745

約数の個数: 160

約数和(自身を含む): 917084160

約数和(自身を除く): 671204400

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 19, 20, 21, 24, 28, 30, 35, 38, 40, 42, 48, 56, 57, 60, 70, 76, 80, 84, 95, 105, 112, 114, 120, 133, 140, 152, 168, 190, 210, 228, 240, 266, 280, 285, 304, 336, 380, 399, 420, 456, 532, 560, 570, 665, 760, 798, 840, 912, 1064, 1140, 1330, 1520, 1596, 1680, 1995, 2128, 2280, 2660, 3192, 3990, 4560, 5320, 6384, 7703, 7980, 10640, 15406, 15960, 23109, 30812, 31920, 38515, 46218, 53921, 61624, 77030, 92436, 107842, 115545, 123248, 146357, 154060, 161763, 184872, 215684, 231090, 269605, 292714, 308120, 323526, 369744, 431368, 439071, 462180, 539210, 585428, 616240, 647052, 731785, 808815, 862736, 878142, 924360, 1024499, 1078420, 1170856, 1294104, 1463570, 1617630, 1756284, 1848720, 2048998, 2156840, 2195355, 2341712, 2588208, 2927140, 3073497, 3235260, 3512568, 4097996, 4313680, 4390710, 5122495, 5854280, 6146994, 6470520, 7025136, 8195992, 8781420, 10244990, 11708560, 12293988, 12941040, 15367485, 16391984, 17562840, 20489980, 24587976, 30734970, 35125680, 40979960, 49175952, 61469940, 81959920, 122939880, 245879760]

約数ペア:

[(1, 245879760), (2, 122939880), (3, 81959920), (4, 61469940), (5, 49175952), (6, 40979960), (7, 35125680), (8, 30734970), (10, 24587976), (12, 20489980), (14, 17562840), (15, 16391984), (16, 15367485), (19, 12941040), (20, 12293988), (21, 11708560), (24, 10244990), (28, 8781420), (30, 8195992), (35, 7025136), (38, 6470520), (40, 6146994), (42, 5854280), (48, 5122495), (56, 4390710), (57, 4313680), (60, 4097996), (70, 3512568), (76, 3235260), (80, 3073497), (84, 2927140), (95, 2588208), (105, 2341712), (112, 2195355), (114, 2156840), (120, 2048998), (133, 1848720), (140, 1756284), (152, 1617630), (168, 1463570), (190, 1294104), (210, 1170856), (228, 1078420), (240, 1024499), (266, 924360), (280, 878142), (285, 862736), (304, 808815), (336, 731785), (380, 647052), (399, 616240), (420, 585428), (456, 539210), (532, 462180), (560, 439071), (570, 431368), (665, 369744), (760, 323526), (798, 308120), (840, 292714), (912, 269605), (1064, 231090), (1140, 215684), (1330, 184872), (1520, 161763), (1596, 154060), (1680, 146357), (1995, 123248), (2128, 115545), (2280, 107842), (2660, 92436), (3192, 77030), (3990, 61624), (4560, 53921), (5320, 46218), (6384, 38515), (7703, 31920), (7980, 30812), (10640, 23109), (15406, 15960)]