2021071520

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{937}}^1$

素因数の和:1043

約数の個数: 192

約数和(自身を含む): 5539707936

約数和(自身を除く): 3518636416

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 32, 34, 40, 52, 61, 65, 68, 80, 85, 104, 122, 130, 136, 160, 170, 208, 221, 244, 260, 272, 305, 340, 416, 442, 488, 520, 544, 610, 680, 793, 884, 937, 976, 1037, 1040, 1105, 1220, 1360, 1586, 1768, 1874, 1952, 2074, 2080, 2210, 2440, 2720, 3172, 3536, 3748, 3965, 4148, 4420, 4685, 4880, 5185, 6344, 7072, 7496, 7930, 8296, 8840, 9370, 9760, 10370, 12181, 12688, 13481, 14992, 15860, 15929, 16592, 17680, 18740, 20740, 24362, 25376, 26962, 29984, 31720, 31858, 33184, 35360, 37480, 41480, 48724, 53924, 57157, 60905, 63440, 63716, 67405, 74960, 79645, 82960, 97448, 107848, 114314, 121810, 126880, 127432, 134810, 149920, 159290, 165920, 194896, 207077, 215696, 228628, 243620, 254864, 269620, 285785, 318580, 389792, 414154, 431392, 457256, 487240, 509728, 539240, 571570, 637160, 743041, 828308, 914512, 971669, 974480, 1035385, 1078480, 1143140, 1274320, 1486082, 1656616, 1829024, 1943338, 1948960, 2070770, 2156960, 2286280, 2548640, 2972164, 3313232, 3715205, 3886676, 4141540, 4572560, 4858345, 5944328, 6626464, 7430410, 7773352, 8283080, 9145120, 9716690, 11888656, 12631697, 14860820, 15546704, 16566160, 19433380, 23777312, 25263394, 29721640, 31093408, 33132320, 38866760, 50526788, 59443280, 63158485, 77733520, 101053576, 118886560, 126316970, 155467040, 202107152, 252633940, 404214304, 505267880, 1010535760, 2021071520]

約数ペア:

[(1, 2021071520), (2, 1010535760), (4, 505267880), (5, 404214304), (8, 252633940), (10, 202107152), (13, 155467040), (16, 126316970), (17, 118886560), (20, 101053576), (26, 77733520), (32, 63158485), (34, 59443280), (40, 50526788), (52, 38866760), (61, 33132320), (65, 31093408), (68, 29721640), (80, 25263394), (85, 23777312), (104, 19433380), (122, 16566160), (130, 15546704), (136, 14860820), (160, 12631697), (170, 11888656), (208, 9716690), (221, 9145120), (244, 8283080), (260, 7773352), (272, 7430410), (305, 6626464), (340, 5944328), (416, 4858345), (442, 4572560), (488, 4141540), (520, 3886676), (544, 3715205), (610, 3313232), (680, 2972164), (793, 2548640), (884, 2286280), (937, 2156960), (976, 2070770), (1037, 1948960), (1040, 1943338), (1105, 1829024), (1220, 1656616), (1360, 1486082), (1586, 1274320), (1768, 1143140), (1874, 1078480), (1952, 1035385), (2074, 974480), (2080, 971669), (2210, 914512), (2440, 828308), (2720, 743041), (3172, 637160), (3536, 571570), (3748, 539240), (3965, 509728), (4148, 487240), (4420, 457256), (4685, 431392), (4880, 414154), (5185, 389792), (6344, 318580), (7072, 285785), (7496, 269620), (7930, 254864), (8296, 243620), (8840, 228628), (9370, 215696), (9760, 207077), (10370, 194896), (12181, 165920), (12688, 159290), (13481, 149920), (14992, 134810), (15860, 127432), (15929, 126880), (16592, 121810), (17680, 114314), (18740, 107848), (20740, 97448), (24362, 82960), (25376, 79645), (26962, 74960), (29984, 67405), (31720, 63716), (31858, 63440), (33184, 60905), (35360, 57157), (37480, 53924), (41480, 48724)]