51181620

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{3931}}^1$

素因数の和:3981

約数の個数: 96

約数和(自身を含む): 169107456

約数和(自身を除く): 117925836

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 31, 35, 42, 60, 62, 70, 84, 93, 105, 124, 140, 155, 186, 210, 217, 310, 372, 420, 434, 465, 620, 651, 868, 930, 1085, 1302, 1860, 2170, 2604, 3255, 3931, 4340, 6510, 7862, 11793, 13020, 15724, 19655, 23586, 27517, 39310, 47172, 55034, 58965, 78620, 82551, 110068, 117930, 121861, 137585, 165102, 235860, 243722, 275170, 330204, 365583, 412755, 487444, 550340, 609305, 731166, 825510, 853027, 1218610, 1462332, 1651020, 1706054, 1827915, 2437220, 2559081, 3412108, 3655830, 4265135, 5118162, 7311660, 8530270, 10236324, 12795405, 17060540, 25590810, 51181620]

約数ペア:

[(1, 51181620), (2, 25590810), (3, 17060540), (4, 12795405), (5, 10236324), (6, 8530270), (7, 7311660), (10, 5118162), (12, 4265135), (14, 3655830), (15, 3412108), (20, 2559081), (21, 2437220), (28, 1827915), (30, 1706054), (31, 1651020), (35, 1462332), (42, 1218610), (60, 853027), (62, 825510), (70, 731166), (84, 609305), (93, 550340), (105, 487444), (124, 412755), (140, 365583), (155, 330204), (186, 275170), (210, 243722), (217, 235860), (310, 165102), (372, 137585), (420, 121861), (434, 117930), (465, 110068), (620, 82551), (651, 78620), (868, 58965), (930, 55034), (1085, 47172), (1302, 39310), (1860, 27517), (2170, 23586), (2604, 19655), (3255, 15724), (3931, 13020), (4340, 11793), (6510, 7862)]