128132640

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{881}}^1$

素因数の和:1003

約数の個数: 144

約数和(自身を含む): 442083096

約数和(自身を除く): 313950456

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 101, 120, 144, 160, 180, 202, 240, 288, 303, 360, 404, 480, 505, 606, 720, 808, 881, 909, 1010, 1212, 1440, 1515, 1616, 1762, 1818, 2020, 2424, 2643, 3030, 3232, 3524, 3636, 4040, 4405, 4545, 4848, 5286, 6060, 7048, 7272, 7929, 8080, 8810, 9090, 9696, 10572, 12120, 13215, 14096, 14544, 15858, 16160, 17620, 18180, 21144, 24240, 26430, 28192, 29088, 31716, 35240, 36360, 39645, 42288, 48480, 52860, 63432, 70480, 72720, 79290, 84576, 88981, 105720, 126864, 140960, 145440, 158580, 177962, 211440, 253728, 266943, 317160, 355924, 422880, 444905, 533886, 634320, 711848, 800829, 889810, 1067772, 1268640, 1334715, 1423696, 1601658, 1779620, 2135544, 2669430, 2847392, 3203316, 3559240, 4004145, 4271088, 5338860, 6406632, 7118480, 8008290, 8542176, 10677720, 12813264, 14236960, 16016580, 21355440, 25626528, 32033160, 42710880, 64066320, 128132640]

約数ペア:

[(1, 128132640), (2, 64066320), (3, 42710880), (4, 32033160), (5, 25626528), (6, 21355440), (8, 16016580), (9, 14236960), (10, 12813264), (12, 10677720), (15, 8542176), (16, 8008290), (18, 7118480), (20, 6406632), (24, 5338860), (30, 4271088), (32, 4004145), (36, 3559240), (40, 3203316), (45, 2847392), (48, 2669430), (60, 2135544), (72, 1779620), (80, 1601658), (90, 1423696), (96, 1334715), (101, 1268640), (120, 1067772), (144, 889810), (160, 800829), (180, 711848), (202, 634320), (240, 533886), (288, 444905), (303, 422880), (360, 355924), (404, 317160), (480, 266943), (505, 253728), (606, 211440), (720, 177962), (808, 158580), (881, 145440), (909, 140960), (1010, 126864), (1212, 105720), (1440, 88981), (1515, 84576), (1616, 79290), (1762, 72720), (1818, 70480), (2020, 63432), (2424, 52860), (2643, 48480), (3030, 42288), (3232, 39645), (3524, 36360), (3636, 35240), (4040, 31716), (4405, 29088), (4545, 28192), (4848, 26430), (5286, 24240), (6060, 21144), (7048, 18180), (7272, 17620), (7929, 16160), (8080, 15858), (8810, 14544), (9090, 14096), (9696, 13215), (10572, 12120)]