65240560

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1$

素因数の和:144

約数の個数: 240

約数和(自身を含む): 206102880

約数和(自身を除く): 140862320

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 17, 20, 22, 28, 34, 35, 40, 44, 49, 55, 56, 68, 70, 77, 80, 85, 88, 89, 98, 110, 112, 119, 136, 140, 154, 170, 176, 178, 187, 196, 220, 238, 245, 272, 280, 308, 340, 356, 374, 385, 392, 440, 445, 476, 490, 539, 560, 595, 616, 623, 680, 712, 748, 770, 784, 833, 880, 890, 935, 952, 979, 980, 1078, 1190, 1232, 1246, 1309, 1360, 1424, 1496, 1513, 1540, 1666, 1780, 1870, 1904, 1958, 1960, 2156, 2380, 2492, 2618, 2695, 2992, 3026, 3080, 3115, 3332, 3560, 3740, 3916, 3920, 4165, 4312, 4361, 4760, 4895, 4984, 5236, 5390, 6052, 6160, 6230, 6545, 6664, 6853, 7120, 7480, 7565, 7832, 8330, 8624, 8722, 9163, 9520, 9790, 9968, 10472, 10591, 10780, 12104, 12460, 13090, 13328, 13706, 14960, 15130, 15664, 16643, 16660, 17444, 18326, 19580, 20944, 21182, 21560, 21805, 24208, 24920, 26180, 27412, 30260, 33286, 33320, 34265, 34888, 36652, 39160, 42364, 43120, 43610, 45815, 47971, 49840, 52360, 52955, 54824, 60520, 66572, 66640, 68530, 69776, 73304, 74137, 78320, 83215, 84728, 87220, 91630, 95942, 104720, 105910, 109648, 116501, 121040, 133144, 137060, 146608, 148274, 166430, 169456, 174440, 183260, 191884, 211820, 233002, 239855, 266288, 274120, 296548, 332860, 348880, 366520, 370685, 383768, 423640, 466004, 479710, 548240, 582505, 593096, 665720, 733040, 741370, 767536, 815507, 847280, 932008, 959420, 1165010, 1186192, 1331440, 1482740, 1631014, 1864016, 1918840, 2330020, 2965480, 3262028, 3837680, 4077535, 4660040, 5930960, 6524056, 8155070, 9320080, 13048112, 16310140, 32620280, 65240560]

約数ペア:

[(1, 65240560), (2, 32620280), (4, 16310140), (5, 13048112), (7, 9320080), (8, 8155070), (10, 6524056), (11, 5930960), (14, 4660040), (16, 4077535), (17, 3837680), (20, 3262028), (22, 2965480), (28, 2330020), (34, 1918840), (35, 1864016), (40, 1631014), (44, 1482740), (49, 1331440), (55, 1186192), (56, 1165010), (68, 959420), (70, 932008), (77, 847280), (80, 815507), (85, 767536), (88, 741370), (89, 733040), (98, 665720), (110, 593096), (112, 582505), (119, 548240), (136, 479710), (140, 466004), (154, 423640), (170, 383768), (176, 370685), (178, 366520), (187, 348880), (196, 332860), (220, 296548), (238, 274120), (245, 266288), (272, 239855), (280, 233002), (308, 211820), (340, 191884), (356, 183260), (374, 174440), (385, 169456), (392, 166430), (440, 148274), (445, 146608), (476, 137060), (490, 133144), (539, 121040), (560, 116501), (595, 109648), (616, 105910), (623, 104720), (680, 95942), (712, 91630), (748, 87220), (770, 84728), (784, 83215), (833, 78320), (880, 74137), (890, 73304), (935, 69776), (952, 68530), (979, 66640), (980, 66572), (1078, 60520), (1190, 54824), (1232, 52955), (1246, 52360), (1309, 49840), (1360, 47971), (1424, 45815), (1496, 43610), (1513, 43120), (1540, 42364), (1666, 39160), (1780, 36652), (1870, 34888), (1904, 34265), (1958, 33320), (1960, 33286), (2156, 30260), (2380, 27412), (2492, 26180), (2618, 24920), (2695, 24208), (2992, 21805), (3026, 21560), (3080, 21182), (3115, 20944), (3332, 19580), (3560, 18326), (3740, 17444), (3916, 16660), (3920, 16643), (4165, 15664), (4312, 15130), (4361, 14960), (4760, 13706), (4895, 13328), (4984, 13090), (5236, 12460), (5390, 12104), (6052, 10780), (6160, 10591), (6230, 10472), (6545, 9968), (6664, 9790), (6853, 9520), (7120, 9163), (7480, 8722), (7565, 8624), (7832, 8330)]