78638560

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{491}}^1$

素因数の和:537

約数の個数: 192

約数和(自身を含む): 249951744

約数和(自身を除く): 171313184

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 13, 14, 16, 20, 22, 26, 28, 32, 35, 40, 44, 52, 55, 56, 65, 70, 77, 80, 88, 91, 104, 110, 112, 130, 140, 143, 154, 160, 176, 182, 208, 220, 224, 260, 280, 286, 308, 352, 364, 385, 416, 440, 455, 491, 520, 560, 572, 616, 715, 728, 770, 880, 910, 982, 1001, 1040, 1120, 1144, 1232, 1430, 1456, 1540, 1760, 1820, 1964, 2002, 2080, 2288, 2455, 2464, 2860, 2912, 3080, 3437, 3640, 3928, 4004, 4576, 4910, 5005, 5401, 5720, 6160, 6383, 6874, 7280, 7856, 8008, 9820, 10010, 10802, 11440, 12320, 12766, 13748, 14560, 15712, 16016, 17185, 19640, 20020, 21604, 22880, 25532, 27005, 27496, 31915, 32032, 34370, 37807, 39280, 40040, 43208, 44681, 51064, 54010, 54992, 63830, 68740, 70213, 75614, 78560, 80080, 86416, 89362, 102128, 108020, 109984, 127660, 137480, 140426, 151228, 160160, 172832, 178724, 189035, 204256, 216040, 223405, 255320, 274960, 280852, 302456, 351065, 357448, 378070, 432080, 446810, 491491, 510640, 549920, 561704, 604912, 702130, 714896, 756140, 864160, 893620, 982982, 1021280, 1123408, 1209824, 1404260, 1429792, 1512280, 1787240, 1965964, 2246816, 2457455, 2808520, 3024560, 3574480, 3931928, 4914910, 5617040, 6049120, 7148960, 7863856, 9829820, 11234080, 15727712, 19659640, 39319280, 78638560]

約数ペア:

[(1, 78638560), (2, 39319280), (4, 19659640), (5, 15727712), (7, 11234080), (8, 9829820), (10, 7863856), (11, 7148960), (13, 6049120), (14, 5617040), (16, 4914910), (20, 3931928), (22, 3574480), (26, 3024560), (28, 2808520), (32, 2457455), (35, 2246816), (40, 1965964), (44, 1787240), (52, 1512280), (55, 1429792), (56, 1404260), (65, 1209824), (70, 1123408), (77, 1021280), (80, 982982), (88, 893620), (91, 864160), (104, 756140), (110, 714896), (112, 702130), (130, 604912), (140, 561704), (143, 549920), (154, 510640), (160, 491491), (176, 446810), (182, 432080), (208, 378070), (220, 357448), (224, 351065), (260, 302456), (280, 280852), (286, 274960), (308, 255320), (352, 223405), (364, 216040), (385, 204256), (416, 189035), (440, 178724), (455, 172832), (491, 160160), (520, 151228), (560, 140426), (572, 137480), (616, 127660), (715, 109984), (728, 108020), (770, 102128), (880, 89362), (910, 86416), (982, 80080), (1001, 78560), (1040, 75614), (1120, 70213), (1144, 68740), (1232, 63830), (1430, 54992), (1456, 54010), (1540, 51064), (1760, 44681), (1820, 43208), (1964, 40040), (2002, 39280), (2080, 37807), (2288, 34370), (2455, 32032), (2464, 31915), (2860, 27496), (2912, 27005), (3080, 25532), (3437, 22880), (3640, 21604), (3928, 20020), (4004, 19640), (4576, 17185), (4910, 16016), (5005, 15712), (5401, 14560), (5720, 13748), (6160, 12766), (6383, 12320), (6874, 11440), (7280, 10802), (7856, 10010), (8008, 9820)]