820673.00000000

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{271}}^1$

素因数の和:433

約数の個数: 128

約数和(自身を含む): 162155520

約数和(自身を除く): 113147880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 132, 137, 165, 220, 264, 271, 274, 330, 411, 440, 542, 548, 660, 685, 813, 822, 1084, 1096, 1320, 1355, 1370, 1507, 1626, 1644, 2055, 2168, 2710, 2740, 2981, 3014, 3252, 3288, 4065, 4110, 4521, 5420, 5480, 5962, 6028, 6504, 7535, 8130, 8220, 8943, 9042, 10840, 11924, 12056, 14905, 15070, 16260, 16440, 17886, 18084, 22605, 23848, 29810, 30140, 32520, 35772, 36168, 37127, 44715, 45210, 59620, 60280, 71544, 74254, 89430, 90420, 111381, 119240, 148508, 178860, 180840, 185635, 222762, 297016, 357720, 371270, 408397, 445524, 556905, 742540, 816794, 891048, 1113810, 1225191, 1485080, 1633588, 2041985, 2227620, 2450382, 3267176, 4083970, 4455240, 4900764, 6125955, 8167940, 9801528, 12251910, 16335880, 24503820, 49007640]

約数ペア:

[(1, 49007640), (2, 24503820), (3, 16335880), (4, 12251910), (5, 9801528), (6, 8167940), (8, 6125955), (10, 4900764), (11, 4455240), (12, 4083970), (15, 3267176), (20, 2450382), (22, 2227620), (24, 2041985), (30, 1633588), (33, 1485080), (40, 1225191), (44, 1113810), (55, 891048), (60, 816794), (66, 742540), (88, 556905), (110, 445524), (120, 408397), (132, 371270), (137, 357720), (165, 297016), (220, 222762), (264, 185635), (271, 180840), (274, 178860), (330, 148508), (411, 119240), (440, 111381), (542, 90420), (548, 89430), (660, 74254), (685, 71544), (813, 60280), (822, 59620), (1084, 45210), (1096, 44715), (1320, 37127), (1355, 36168), (1370, 35772), (1507, 32520), (1626, 30140), (1644, 29810), (2055, 23848), (2168, 22605), (2710, 18084), (2740, 17886), (2981, 16440), (3014, 16260), (3252, 15070), (3288, 14905), (4065, 12056), (4110, 11924), (4521, 10840), (5420, 9042), (5480, 8943), (5962, 8220), (6028, 8130), (6504, 7535)]