78019760

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{1531}}^1$

素因数の和:1571

約数の個数: 120

約数和(自身を含む): 227391696

約数和(自身を除く): 149371936

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 49, 52, 56, 65, 70, 80, 91, 98, 104, 112, 130, 140, 182, 196, 208, 245, 260, 280, 364, 392, 455, 490, 520, 560, 637, 728, 784, 910, 980, 1040, 1274, 1456, 1531, 1820, 1960, 2548, 3062, 3185, 3640, 3920, 5096, 6124, 6370, 7280, 7655, 10192, 10717, 12248, 12740, 15310, 19903, 21434, 24496, 25480, 30620, 39806, 42868, 50960, 53585, 61240, 75019, 79612, 85736, 99515, 107170, 122480, 139321, 150038, 159224, 171472, 199030, 214340, 278642, 300076, 318448, 375095, 398060, 428680, 557284, 600152, 696605, 750190, 796120, 857360, 975247, 1114568, 1200304, 1393210, 1500380, 1592240, 1950494, 2229136, 2786420, 3000760, 3900988, 4876235, 5572840, 6001520, 7801976, 9752470, 11145680, 15603952, 19504940, 39009880, 78019760]

約数ペア:

[(1, 78019760), (2, 39009880), (4, 19504940), (5, 15603952), (7, 11145680), (8, 9752470), (10, 7801976), (13, 6001520), (14, 5572840), (16, 4876235), (20, 3900988), (26, 3000760), (28, 2786420), (35, 2229136), (40, 1950494), (49, 1592240), (52, 1500380), (56, 1393210), (65, 1200304), (70, 1114568), (80, 975247), (91, 857360), (98, 796120), (104, 750190), (112, 696605), (130, 600152), (140, 557284), (182, 428680), (196, 398060), (208, 375095), (245, 318448), (260, 300076), (280, 278642), (364, 214340), (392, 199030), (455, 171472), (490, 159224), (520, 150038), (560, 139321), (637, 122480), (728, 107170), (784, 99515), (910, 85736), (980, 79612), (1040, 75019), (1274, 61240), (1456, 53585), (1531, 50960), (1820, 42868), (1960, 39806), (2548, 30620), (3062, 25480), (3185, 24496), (3640, 21434), (3920, 19903), (5096, 15310), (6124, 12740), (6370, 12248), (7280, 10717), (7655, 10192)]