204498840

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{307}}^1$

素因数の和:402

約数の個数: 256

約数和(自身を含む): 769950720

約数和(自身を除く): 565451880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 52, 56, 60, 61, 65, 70, 78, 84, 91, 104, 105, 120, 122, 130, 140, 156, 168, 182, 183, 195, 210, 244, 260, 273, 280, 305, 307, 312, 364, 366, 390, 420, 427, 455, 488, 520, 546, 610, 614, 728, 732, 780, 793, 840, 854, 910, 915, 921, 1092, 1220, 1228, 1281, 1365, 1464, 1535, 1560, 1586, 1708, 1820, 1830, 1842, 2135, 2149, 2184, 2379, 2440, 2456, 2562, 2730, 3070, 3172, 3416, 3640, 3660, 3684, 3965, 3991, 4270, 4298, 4605, 4758, 5124, 5460, 5551, 6140, 6344, 6405, 6447, 7320, 7368, 7930, 7982, 8540, 8596, 9210, 9516, 10248, 10745, 10920, 11102, 11895, 11973, 12280, 12810, 12894, 15860, 15964, 16653, 17080, 17192, 18420, 18727, 19032, 19955, 21490, 22204, 23790, 23946, 25620, 25788, 27755, 27937, 31720, 31928, 32235, 33306, 36840, 37454, 39910, 42980, 44408, 47580, 47892, 51240, 51576, 55510, 55874, 56181, 59865, 64470, 66612, 74908, 79820, 83265, 83811, 85960, 93635, 95160, 95784, 111020, 111748, 112362, 119730, 128940, 131089, 133224, 139685, 149816, 159640, 166530, 167622, 187270, 222040, 223496, 224724, 239460, 243451, 257880, 262178, 279370, 280905, 333060, 335244, 374540, 393267, 419055, 449448, 478920, 486902, 524356, 558740, 561810, 655445, 666120, 670488, 730353, 749080, 786534, 838110, 973804, 1048712, 1117480, 1123620, 1217255, 1310890, 1460706, 1573068, 1676220, 1704157, 1947608, 1966335, 2247240, 2434510, 2621780, 2921412, 3146136, 3352440, 3408314, 3651765, 3932670, 4869020, 5112471, 5243560, 5842824, 6816628, 7303530, 7865340, 8520785, 9738040, 10224942, 13633256, 14607060, 15730680, 17041570, 20449884, 25562355, 29214120, 34083140, 40899768, 51124710, 68166280, 102249420, 204498840]

約数ペア:

[(1, 204498840), (2, 102249420), (3, 68166280), (4, 51124710), (5, 40899768), (6, 34083140), (7, 29214120), (8, 25562355), (10, 20449884), (12, 17041570), (13, 15730680), (14, 14607060), (15, 13633256), (20, 10224942), (21, 9738040), (24, 8520785), (26, 7865340), (28, 7303530), (30, 6816628), (35, 5842824), (39, 5243560), (40, 5112471), (42, 4869020), (52, 3932670), (56, 3651765), (60, 3408314), (61, 3352440), (65, 3146136), (70, 2921412), (78, 2621780), (84, 2434510), (91, 2247240), (104, 1966335), (105, 1947608), (120, 1704157), (122, 1676220), (130, 1573068), (140, 1460706), (156, 1310890), (168, 1217255), (182, 1123620), (183, 1117480), (195, 1048712), (210, 973804), (244, 838110), (260, 786534), (273, 749080), (280, 730353), (305, 670488), (307, 666120), (312, 655445), (364, 561810), (366, 558740), (390, 524356), (420, 486902), (427, 478920), (455, 449448), (488, 419055), (520, 393267), (546, 374540), (610, 335244), (614, 333060), (728, 280905), (732, 279370), (780, 262178), (793, 257880), (840, 243451), (854, 239460), (910, 224724), (915, 223496), (921, 222040), (1092, 187270), (1220, 167622), (1228, 166530), (1281, 159640), (1365, 149816), (1464, 139685), (1535, 133224), (1560, 131089), (1586, 128940), (1708, 119730), (1820, 112362), (1830, 111748), (1842, 111020), (2135, 95784), (2149, 95160), (2184, 93635), (2379, 85960), (2440, 83811), (2456, 83265), (2562, 79820), (2730, 74908), (3070, 66612), (3172, 64470), (3416, 59865), (3640, 56181), (3660, 55874), (3684, 55510), (3965, 51576), (3991, 51240), (4270, 47892), (4298, 47580), (4605, 44408), (4758, 42980), (5124, 39910), (5460, 37454), (5551, 36840), (6140, 33306), (6344, 32235), (6405, 31928), (6447, 31720), (7320, 27937), (7368, 27755), (7930, 25788), (7982, 25620), (8540, 23946), (8596, 23790), (9210, 22204), (9516, 21490), (10248, 19955), (10745, 19032), (10920, 18727), (11102, 18420), (11895, 17192), (11973, 17080), (12280, 16653), (12810, 15964), (12894, 15860)]