638565984

素因数分解:

$2^5\times 3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{5557}}^1$

素因数の和:5602

約数の個数: 192

約数和(自身を含む): 2240985600

約数和(自身を除く): 1602419616

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 19, 21, 24, 27, 28, 32, 36, 38, 42, 48, 54, 56, 57, 63, 72, 76, 84, 96, 108, 112, 114, 126, 133, 144, 152, 168, 171, 189, 216, 224, 228, 252, 266, 288, 304, 336, 342, 378, 399, 432, 456, 504, 513, 532, 608, 672, 684, 756, 798, 864, 912, 1008, 1026, 1064, 1197, 1368, 1512, 1596, 1824, 2016, 2052, 2128, 2394, 2736, 3024, 3192, 3591, 4104, 4256, 4788, 5472, 5557, 6048, 6384, 7182, 8208, 9576, 11114, 12768, 14364, 16416, 16671, 19152, 22228, 28728, 33342, 38304, 38899, 44456, 50013, 57456, 66684, 77798, 88912, 100026, 105583, 114912, 116697, 133368, 150039, 155596, 177824, 200052, 211166, 233394, 266736, 300078, 311192, 316749, 350091, 400104, 422332, 466788, 533472, 600156, 622384, 633498, 700182, 739081, 800208, 844664, 933576, 950247, 1050273, 1200312, 1244768, 1266996, 1400364, 1478162, 1600416, 1689328, 1867152, 1900494, 2100546, 2217243, 2400624, 2533992, 2800728, 2850741, 2956324, 3378656, 3734304, 3800988, 4201092, 4434486, 4801248, 5067984, 5601456, 5701482, 5912648, 6651729, 7601976, 8402184, 8868972, 10135968, 11202912, 11402964, 11825296, 13303458, 15203952, 16804368, 17737944, 19955187, 22805928, 23650592, 26606916, 30407904, 33608736, 35475888, 39910374, 45611856, 53213832, 70951776, 79820748, 91223712, 106427664, 159641496, 212855328, 319282992, 638565984]

約数ペア:

[(1, 638565984), (2, 319282992), (3, 212855328), (4, 159641496), (6, 106427664), (7, 91223712), (8, 79820748), (9, 70951776), (12, 53213832), (14, 45611856), (16, 39910374), (18, 35475888), (19, 33608736), (21, 30407904), (24, 26606916), (27, 23650592), (28, 22805928), (32, 19955187), (36, 17737944), (38, 16804368), (42, 15203952), (48, 13303458), (54, 11825296), (56, 11402964), (57, 11202912), (63, 10135968), (72, 8868972), (76, 8402184), (84, 7601976), (96, 6651729), (108, 5912648), (112, 5701482), (114, 5601456), (126, 5067984), (133, 4801248), (144, 4434486), (152, 4201092), (168, 3800988), (171, 3734304), (189, 3378656), (216, 2956324), (224, 2850741), (228, 2800728), (252, 2533992), (266, 2400624), (288, 2217243), (304, 2100546), (336, 1900494), (342, 1867152), (378, 1689328), (399, 1600416), (432, 1478162), (456, 1400364), (504, 1266996), (513, 1244768), (532, 1200312), (608, 1050273), (672, 950247), (684, 933576), (756, 844664), (798, 800208), (864, 739081), (912, 700182), (1008, 633498), (1026, 622384), (1064, 600156), (1197, 533472), (1368, 466788), (1512, 422332), (1596, 400104), (1824, 350091), (2016, 316749), (2052, 311192), (2128, 300078), (2394, 266736), (2736, 233394), (3024, 211166), (3192, 200052), (3591, 177824), (4104, 155596), (4256, 150039), (4788, 133368), (5472, 116697), (5557, 114912), (6048, 105583), (6384, 100026), (7182, 88912), (8208, 77798), (9576, 66684), (11114, 57456), (12768, 50013), (14364, 44456), (16416, 38899), (16671, 38304), (19152, 33342), (22228, 28728)]