280331520

素因数分解:

$2^8\times 3^1\times 5^1\times 7^1\times {\mathrm{10429}}^1$

素因数の和:10460

約数の個数: 144

約数和(自身を含む): 1023308160

約数和(自身を除く): 742976640

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 128, 140, 160, 168, 192, 210, 224, 240, 256, 280, 320, 336, 384, 420, 448, 480, 560, 640, 672, 768, 840, 896, 960, 1120, 1280, 1344, 1680, 1792, 1920, 2240, 2688, 3360, 3840, 4480, 5376, 6720, 8960, 10429, 13440, 20858, 26880, 31287, 41716, 52145, 62574, 73003, 83432, 104290, 125148, 146006, 156435, 166864, 208580, 219009, 250296, 292012, 312870, 333728, 365015, 417160, 438018, 500592, 584024, 625740, 667456, 730030, 834320, 876036, 1001184, 1095045, 1168048, 1251480, 1334912, 1460060, 1668640, 1752072, 2002368, 2190090, 2336096, 2502960, 2669824, 2920120, 3337280, 3504144, 4004736, 4380180, 4672192, 5005920, 5840240, 6674560, 7008288, 8009472, 8760360, 9344384, 10011840, 11680480, 13349120, 14016576, 17520720, 18688768, 20023680, 23360960, 28033152, 35041440, 40047360, 46721920, 56066304, 70082880, 93443840, 140165760, 280331520]

約数ペア:

[(1, 280331520), (2, 140165760), (3, 93443840), (4, 70082880), (5, 56066304), (6, 46721920), (7, 40047360), (8, 35041440), (10, 28033152), (12, 23360960), (14, 20023680), (15, 18688768), (16, 17520720), (20, 14016576), (21, 13349120), (24, 11680480), (28, 10011840), (30, 9344384), (32, 8760360), (35, 8009472), (40, 7008288), (42, 6674560), (48, 5840240), (56, 5005920), (60, 4672192), (64, 4380180), (70, 4004736), (80, 3504144), (84, 3337280), (96, 2920120), (105, 2669824), (112, 2502960), (120, 2336096), (128, 2190090), (140, 2002368), (160, 1752072), (168, 1668640), (192, 1460060), (210, 1334912), (224, 1251480), (240, 1168048), (256, 1095045), (280, 1001184), (320, 876036), (336, 834320), (384, 730030), (420, 667456), (448, 625740), (480, 584024), (560, 500592), (640, 438018), (672, 417160), (768, 365015), (840, 333728), (896, 312870), (960, 292012), (1120, 250296), (1280, 219009), (1344, 208580), (1680, 166864), (1792, 156435), (1920, 146006), (2240, 125148), (2688, 104290), (3360, 83432), (3840, 73003), (4480, 62574), (5376, 52145), (6720, 41716), (8960, 31287), (10429, 26880), (13440, 20858)]