31282160

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{4297}}^1$

素因数の和:4330

約数の個数: 80

約数和(自身を含む): 89535936

約数和(自身を除く): 58253776

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 182, 208, 260, 280, 364, 455, 520, 560, 728, 910, 1040, 1456, 1820, 3640, 4297, 7280, 8594, 17188, 21485, 30079, 34376, 42970, 55861, 60158, 68752, 85940, 111722, 120316, 150395, 171880, 223444, 240632, 279305, 300790, 343760, 391027, 446888, 481264, 558610, 601580, 782054, 893776, 1117220, 1203160, 1564108, 1955135, 2234440, 2406320, 3128216, 3910270, 4468880, 6256432, 7820540, 15641080, 31282160]

約数ペア:

[(1, 31282160), (2, 15641080), (4, 7820540), (5, 6256432), (7, 4468880), (8, 3910270), (10, 3128216), (13, 2406320), (14, 2234440), (16, 1955135), (20, 1564108), (26, 1203160), (28, 1117220), (35, 893776), (40, 782054), (52, 601580), (56, 558610), (65, 481264), (70, 446888), (80, 391027), (91, 343760), (104, 300790), (112, 279305), (130, 240632), (140, 223444), (182, 171880), (208, 150395), (260, 120316), (280, 111722), (364, 85940), (455, 68752), (520, 60158), (560, 55861), (728, 42970), (910, 34376), (1040, 30079), (1456, 21485), (1820, 17188), (3640, 8594), (4297, 7280)]