20161225320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{509}}^1\times {\mathrm{4649}}^1$

素因数の和:5243

約数の個数: 128

約数和(自身を含む): 61469280000

約数和(自身を除く): 41308054680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 71, 120, 142, 213, 284, 355, 426, 509, 568, 710, 852, 1018, 1065, 1420, 1527, 1704, 2036, 2130, 2545, 2840, 3054, 4072, 4260, 4649, 5090, 6108, 7635, 8520, 9298, 10180, 12216, 13947, 15270, 18596, 20360, 23245, 27894, 30540, 36139, 37192, 46490, 55788, 61080, 69735, 72278, 92980, 108417, 111576, 139470, 144556, 180695, 185960, 216834, 278940, 289112, 330079, 361390, 433668, 542085, 557880, 660158, 722780, 867336, 990237, 1084170, 1320316, 1445560, 1650395, 1980474, 2168340, 2366341, 2640632, 3300790, 3960948, 4336680, 4732682, 4951185, 6601580, 7099023, 7921896, 9465364, 9902370, 11831705, 13203160, 14198046, 18930728, 19804740, 23663410, 28396092, 35495115, 39609480, 47326820, 56792184, 70990230, 94653640, 141980460, 168010211, 283960920, 336020422, 504030633, 672040844, 840051055, 1008061266, 1344081688, 1680102110, 2016122532, 2520153165, 3360204220, 4032245064, 5040306330, 6720408440, 10080612660, 20161225320]

約数ペア:

[(1, 20161225320), (2, 10080612660), (3, 6720408440), (4, 5040306330), (5, 4032245064), (6, 3360204220), (8, 2520153165), (10, 2016122532), (12, 1680102110), (15, 1344081688), (20, 1008061266), (24, 840051055), (30, 672040844), (40, 504030633), (60, 336020422), (71, 283960920), (120, 168010211), (142, 141980460), (213, 94653640), (284, 70990230), (355, 56792184), (426, 47326820), (509, 39609480), (568, 35495115), (710, 28396092), (852, 23663410), (1018, 19804740), (1065, 18930728), (1420, 14198046), (1527, 13203160), (1704, 11831705), (2036, 9902370), (2130, 9465364), (2545, 7921896), (2840, 7099023), (3054, 6601580), (4072, 4951185), (4260, 4732682), (4649, 4336680), (5090, 3960948), (6108, 3300790), (7635, 2640632), (8520, 2366341), (9298, 2168340), (10180, 1980474), (12216, 1650395), (13947, 1445560), (15270, 1320316), (18596, 1084170), (20360, 990237), (23245, 867336), (27894, 722780), (30540, 660158), (36139, 557880), (37192, 542085), (46490, 433668), (55788, 361390), (61080, 330079), (69735, 289112), (72278, 278940), (92980, 216834), (108417, 185960), (111576, 180695), (139470, 144556)]