320281920

素因数分解:

$2^6\times 3^2\times 5^1\times 7^1\times {\mathrm{15887}}^1$

素因数の和:15917

約数の個数: 168

約数和(自身を含む): 1259092224

約数和(自身を除く): 938810304

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 140, 144, 160, 168, 180, 192, 210, 224, 240, 252, 280, 288, 315, 320, 336, 360, 420, 448, 480, 504, 560, 576, 630, 672, 720, 840, 960, 1008, 1120, 1260, 1344, 1440, 1680, 2016, 2240, 2520, 2880, 3360, 4032, 5040, 6720, 10080, 15887, 20160, 31774, 47661, 63548, 79435, 95322, 111209, 127096, 142983, 158870, 190644, 222418, 238305, 254192, 285966, 317740, 333627, 381288, 444836, 476610, 508384, 556045, 571932, 635480, 667254, 714915, 762576, 889672, 953220, 1000881, 1016768, 1112090, 1143864, 1270960, 1334508, 1429830, 1525152, 1668135, 1779344, 1906440, 2001762, 2224180, 2287728, 2541920, 2669016, 2859660, 3050304, 3336270, 3558688, 3812880, 4003524, 4448360, 4575456, 5004405, 5083840, 5338032, 5719320, 6672540, 7117376, 7625760, 8007048, 8896720, 9150912, 10008810, 10676064, 11438640, 13345080, 15251520, 16014096, 17793440, 20017620, 21352128, 22877280, 26690160, 32028192, 35586880, 40035240, 45754560, 53380320, 64056384, 80070480, 106760640, 160140960, 320281920]

約数ペア:

[(1, 320281920), (2, 160140960), (3, 106760640), (4, 80070480), (5, 64056384), (6, 53380320), (7, 45754560), (8, 40035240), (9, 35586880), (10, 32028192), (12, 26690160), (14, 22877280), (15, 21352128), (16, 20017620), (18, 17793440), (20, 16014096), (21, 15251520), (24, 13345080), (28, 11438640), (30, 10676064), (32, 10008810), (35, 9150912), (36, 8896720), (40, 8007048), (42, 7625760), (45, 7117376), (48, 6672540), (56, 5719320), (60, 5338032), (63, 5083840), (64, 5004405), (70, 4575456), (72, 4448360), (80, 4003524), (84, 3812880), (90, 3558688), (96, 3336270), (105, 3050304), (112, 2859660), (120, 2669016), (126, 2541920), (140, 2287728), (144, 2224180), (160, 2001762), (168, 1906440), (180, 1779344), (192, 1668135), (210, 1525152), (224, 1429830), (240, 1334508), (252, 1270960), (280, 1143864), (288, 1112090), (315, 1016768), (320, 1000881), (336, 953220), (360, 889672), (420, 762576), (448, 714915), (480, 667254), (504, 635480), (560, 571932), (576, 556045), (630, 508384), (672, 476610), (720, 444836), (840, 381288), (960, 333627), (1008, 317740), (1120, 285966), (1260, 254192), (1344, 238305), (1440, 222418), (1680, 190644), (2016, 158870), (2240, 142983), (2520, 127096), (2880, 111209), (3360, 95322), (4032, 79435), (5040, 63548), (6720, 47661), (10080, 31774), (15887, 20160)]