13129740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{181}}^1$

素因数の和:240

約数の個数: 144

約数和(自身を含む): 44518656

約数和(自身を除く): 31388916

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, 181, 186, 195, 234, 260, 279, 310, 362, 372, 390, 403, 465, 468, 543, 558, 585, 620, 724, 780, 806, 905, 930, 1086, 1116, 1170, 1209, 1395, 1612, 1629, 1810, 1860, 2015, 2172, 2340, 2353, 2418, 2715, 2790, 3258, 3620, 3627, 4030, 4706, 4836, 5430, 5580, 5611, 6045, 6516, 7059, 7254, 8060, 8145, 9412, 10860, 11222, 11765, 12090, 14118, 14508, 16290, 16833, 18135, 21177, 22444, 23530, 24180, 28055, 28236, 32580, 33666, 35295, 36270, 42354, 47060, 50499, 56110, 67332, 70590, 72540, 72943, 84165, 84708, 100998, 105885, 112220, 141180, 145886, 168330, 201996, 211770, 218829, 252495, 291772, 336660, 364715, 423540, 437658, 504990, 656487, 729430, 875316, 1009980, 1094145, 1312974, 1458860, 2188290, 2625948, 3282435, 4376580, 6564870, 13129740]

約数ペア:

[(1, 13129740), (2, 6564870), (3, 4376580), (4, 3282435), (5, 2625948), (6, 2188290), (9, 1458860), (10, 1312974), (12, 1094145), (13, 1009980), (15, 875316), (18, 729430), (20, 656487), (26, 504990), (30, 437658), (31, 423540), (36, 364715), (39, 336660), (45, 291772), (52, 252495), (60, 218829), (62, 211770), (65, 201996), (78, 168330), (90, 145886), (93, 141180), (117, 112220), (124, 105885), (130, 100998), (155, 84708), (156, 84165), (180, 72943), (181, 72540), (186, 70590), (195, 67332), (234, 56110), (260, 50499), (279, 47060), (310, 42354), (362, 36270), (372, 35295), (390, 33666), (403, 32580), (465, 28236), (468, 28055), (543, 24180), (558, 23530), (585, 22444), (620, 21177), (724, 18135), (780, 16833), (806, 16290), (905, 14508), (930, 14118), (1086, 12090), (1116, 11765), (1170, 11222), (1209, 10860), (1395, 9412), (1612, 8145), (1629, 8060), (1810, 7254), (1860, 7059), (2015, 6516), (2172, 6045), (2340, 5611), (2353, 5580), (2418, 5430), (2715, 4836), (2790, 4706), (3258, 4030), (3620, 3627)]