131615460

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{229}}^1$

素因数の和:378

約数の個数: 144

約数和(自身を含む): 417930240

約数和(自身を除く): 286314780

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 90, 93, 103, 124, 155, 180, 186, 206, 229, 279, 309, 310, 372, 412, 458, 465, 515, 558, 618, 620, 687, 916, 927, 930, 1030, 1116, 1145, 1236, 1374, 1395, 1545, 1854, 1860, 2060, 2061, 2290, 2748, 2790, 3090, 3193, 3435, 3708, 4122, 4580, 4635, 5580, 6180, 6386, 6870, 7099, 8244, 9270, 9579, 10305, 12772, 13740, 14198, 15965, 18540, 19158, 20610, 21297, 23587, 28396, 28737, 31930, 35495, 38316, 41220, 42594, 47174, 47895, 57474, 63860, 63891, 70761, 70990, 85188, 94348, 95790, 106485, 114948, 117935, 127782, 141522, 141980, 143685, 191580, 212283, 212970, 235870, 255564, 283044, 287370, 319455, 353805, 424566, 425940, 471740, 574740, 638910, 707610, 731197, 849132, 1061415, 1277820, 1415220, 1462394, 2122830, 2193591, 2924788, 3655985, 4245660, 4387182, 6580773, 7311970, 8774364, 10967955, 13161546, 14623940, 21935910, 26323092, 32903865, 43871820, 65807730, 131615460]

約数ペア:

[(1, 131615460), (2, 65807730), (3, 43871820), (4, 32903865), (5, 26323092), (6, 21935910), (9, 14623940), (10, 13161546), (12, 10967955), (15, 8774364), (18, 7311970), (20, 6580773), (30, 4387182), (31, 4245660), (36, 3655985), (45, 2924788), (60, 2193591), (62, 2122830), (90, 1462394), (93, 1415220), (103, 1277820), (124, 1061415), (155, 849132), (180, 731197), (186, 707610), (206, 638910), (229, 574740), (279, 471740), (309, 425940), (310, 424566), (372, 353805), (412, 319455), (458, 287370), (465, 283044), (515, 255564), (558, 235870), (618, 212970), (620, 212283), (687, 191580), (916, 143685), (927, 141980), (930, 141522), (1030, 127782), (1116, 117935), (1145, 114948), (1236, 106485), (1374, 95790), (1395, 94348), (1545, 85188), (1854, 70990), (1860, 70761), (2060, 63891), (2061, 63860), (2290, 57474), (2748, 47895), (2790, 47174), (3090, 42594), (3193, 41220), (3435, 38316), (3708, 35495), (4122, 31930), (4580, 28737), (4635, 28396), (5580, 23587), (6180, 21297), (6386, 20610), (6870, 19158), (7099, 18540), (8244, 15965), (9270, 14198), (9579, 13740), (10305, 12772)]