16611660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{229}}^1$

素因数の和:288

約数の個数: 144

約数和(自身を含む): 56259840

約数和(自身を除く): 39648180

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 31, 36, 39, 45, 52, 60, 62, 65, 78, 90, 93, 117, 124, 130, 155, 156, 180, 186, 195, 229, 234, 260, 279, 310, 372, 390, 403, 458, 465, 468, 558, 585, 620, 687, 780, 806, 916, 930, 1116, 1145, 1170, 1209, 1374, 1395, 1612, 1860, 2015, 2061, 2290, 2340, 2418, 2748, 2790, 2977, 3435, 3627, 4030, 4122, 4580, 4836, 5580, 5954, 6045, 6870, 7099, 7254, 8060, 8244, 8931, 10305, 11908, 12090, 13740, 14198, 14508, 14885, 17862, 18135, 20610, 21297, 24180, 26793, 28396, 29770, 35495, 35724, 36270, 41220, 42594, 44655, 53586, 59540, 63891, 70990, 72540, 85188, 89310, 92287, 106485, 107172, 127782, 133965, 141980, 178620, 184574, 212970, 255564, 267930, 276861, 319455, 369148, 425940, 461435, 535860, 553722, 638910, 830583, 922870, 1107444, 1277820, 1384305, 1661166, 1845740, 2768610, 3322332, 4152915, 5537220, 8305830, 16611660]

約数ペア:

[(1, 16611660), (2, 8305830), (3, 5537220), (4, 4152915), (5, 3322332), (6, 2768610), (9, 1845740), (10, 1661166), (12, 1384305), (13, 1277820), (15, 1107444), (18, 922870), (20, 830583), (26, 638910), (30, 553722), (31, 535860), (36, 461435), (39, 425940), (45, 369148), (52, 319455), (60, 276861), (62, 267930), (65, 255564), (78, 212970), (90, 184574), (93, 178620), (117, 141980), (124, 133965), (130, 127782), (155, 107172), (156, 106485), (180, 92287), (186, 89310), (195, 85188), (229, 72540), (234, 70990), (260, 63891), (279, 59540), (310, 53586), (372, 44655), (390, 42594), (403, 41220), (458, 36270), (465, 35724), (468, 35495), (558, 29770), (585, 28396), (620, 26793), (687, 24180), (780, 21297), (806, 20610), (916, 18135), (930, 17862), (1116, 14885), (1145, 14508), (1170, 14198), (1209, 13740), (1374, 12090), (1395, 11908), (1612, 10305), (1860, 8931), (2015, 8244), (2061, 8060), (2290, 7254), (2340, 7099), (2418, 6870), (2748, 6045), (2790, 5954), (2977, 5580), (3435, 4836), (3627, 4580), (4030, 4122)]