681417984

素因数分解:

$2^8\times 3^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{521}}^1$

素因数の和:684

約数の個数: 144

約数和(自身を含む): 1971756864

約数和(自身を除く): 1290338880

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 64, 78, 96, 104, 128, 131, 156, 192, 208, 256, 262, 312, 384, 393, 416, 521, 524, 624, 768, 786, 832, 1042, 1048, 1248, 1563, 1572, 1664, 1703, 2084, 2096, 2496, 3126, 3144, 3328, 3406, 4168, 4192, 4992, 5109, 6252, 6288, 6773, 6812, 8336, 8384, 9984, 10218, 12504, 12576, 13546, 13624, 16672, 16768, 20319, 20436, 25008, 25152, 27092, 27248, 33344, 33536, 40638, 40872, 50016, 50304, 54184, 54496, 66688, 68251, 81276, 81744, 100032, 100608, 108368, 108992, 133376, 136502, 162552, 163488, 200064, 204753, 216736, 217984, 273004, 325104, 326976, 400128, 409506, 433472, 435968, 546008, 650208, 653952, 819012, 866944, 887263, 1092016, 1300416, 1307904, 1638024, 1733888, 1774526, 2184032, 2600832, 2661789, 3276048, 3549052, 4368064, 5201664, 5323578, 6552096, 7098104, 8736128, 10647156, 13104192, 14196208, 17472256, 21294312, 26208384, 28392416, 42588624, 52416768, 56784832, 85177248, 113569664, 170354496, 227139328, 340708992, 681417984]

約数ペア:

[(1, 681417984), (2, 340708992), (3, 227139328), (4, 170354496), (6, 113569664), (8, 85177248), (12, 56784832), (13, 52416768), (16, 42588624), (24, 28392416), (26, 26208384), (32, 21294312), (39, 17472256), (48, 14196208), (52, 13104192), (64, 10647156), (78, 8736128), (96, 7098104), (104, 6552096), (128, 5323578), (131, 5201664), (156, 4368064), (192, 3549052), (208, 3276048), (256, 2661789), (262, 2600832), (312, 2184032), (384, 1774526), (393, 1733888), (416, 1638024), (521, 1307904), (524, 1300416), (624, 1092016), (768, 887263), (786, 866944), (832, 819012), (1042, 653952), (1048, 650208), (1248, 546008), (1563, 435968), (1572, 433472), (1664, 409506), (1703, 400128), (2084, 326976), (2096, 325104), (2496, 273004), (3126, 217984), (3144, 216736), (3328, 204753), (3406, 200064), (4168, 163488), (4192, 162552), (4992, 136502), (5109, 133376), (6252, 108992), (6288, 108368), (6773, 100608), (6812, 100032), (8336, 81744), (8384, 81276), (9984, 68251), (10218, 66688), (12504, 54496), (12576, 54184), (13546, 50304), (13624, 50016), (16672, 40872), (16768, 40638), (20319, 33536), (20436, 33344), (25008, 27248), (25152, 27092)]