287875280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{2749}}^1$

素因数の和:2797

約数の個数: 160

約数和(自身を含む): 883872000

約数和(自身を除く): 595996720

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 17, 20, 22, 28, 34, 35, 40, 44, 55, 56, 68, 70, 77, 80, 85, 88, 110, 112, 119, 136, 140, 154, 170, 176, 187, 220, 238, 272, 280, 308, 340, 374, 385, 440, 476, 560, 595, 616, 680, 748, 770, 880, 935, 952, 1190, 1232, 1309, 1360, 1496, 1540, 1870, 1904, 2380, 2618, 2749, 2992, 3080, 3740, 4760, 5236, 5498, 6160, 6545, 7480, 9520, 10472, 10996, 13090, 13745, 14960, 19243, 20944, 21992, 26180, 27490, 30239, 38486, 43984, 46733, 52360, 54980, 60478, 76972, 93466, 96215, 104720, 109960, 120956, 151195, 153944, 186932, 192430, 211673, 219920, 233665, 241912, 302390, 307888, 327131, 373864, 384860, 423346, 467330, 483824, 514063, 604780, 654262, 747728, 769720, 846692, 934660, 1028126, 1058365, 1209560, 1308524, 1539440, 1635655, 1693384, 1869320, 2056252, 2116730, 2419120, 2570315, 2617048, 3271310, 3386768, 3598441, 3738640, 4112504, 4233460, 5140630, 5234096, 6542620, 7196882, 8225008, 8466920, 10281260, 13085240, 14393764, 16933840, 17992205, 20562520, 26170480, 28787528, 35984410, 41125040, 57575056, 71968820, 143937640, 287875280]

約数ペア:

[(1, 287875280), (2, 143937640), (4, 71968820), (5, 57575056), (7, 41125040), (8, 35984410), (10, 28787528), (11, 26170480), (14, 20562520), (16, 17992205), (17, 16933840), (20, 14393764), (22, 13085240), (28, 10281260), (34, 8466920), (35, 8225008), (40, 7196882), (44, 6542620), (55, 5234096), (56, 5140630), (68, 4233460), (70, 4112504), (77, 3738640), (80, 3598441), (85, 3386768), (88, 3271310), (110, 2617048), (112, 2570315), (119, 2419120), (136, 2116730), (140, 2056252), (154, 1869320), (170, 1693384), (176, 1635655), (187, 1539440), (220, 1308524), (238, 1209560), (272, 1058365), (280, 1028126), (308, 934660), (340, 846692), (374, 769720), (385, 747728), (440, 654262), (476, 604780), (560, 514063), (595, 483824), (616, 467330), (680, 423346), (748, 384860), (770, 373864), (880, 327131), (935, 307888), (952, 302390), (1190, 241912), (1232, 233665), (1309, 219920), (1360, 211673), (1496, 192430), (1540, 186932), (1870, 153944), (1904, 151195), (2380, 120956), (2618, 109960), (2749, 104720), (2992, 96215), (3080, 93466), (3740, 76972), (4760, 60478), (5236, 54980), (5498, 52360), (6160, 46733), (6545, 43984), (7480, 38486), (9520, 30239), (10472, 27490), (10996, 26180), (13090, 21992), (13745, 20944), (14960, 19243)]