280936320

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{20903}}^1$

素因数の和:20932

約数の個数: 128

約数和(自身を含む): 1023459840

約数和(自身を除く): 742523520

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, 280, 320, 336, 384, 420, 448, 480, 560, 640, 672, 840, 896, 960, 1120, 1344, 1680, 1920, 2240, 2688, 3360, 4480, 6720, 13440, 20903, 41806, 62709, 83612, 104515, 125418, 146321, 167224, 209030, 250836, 292642, 313545, 334448, 418060, 438963, 501672, 585284, 627090, 668896, 731605, 836120, 877926, 1003344, 1170568, 1254180, 1337792, 1463210, 1672240, 1755852, 2006688, 2194815, 2341136, 2508360, 2675584, 2926420, 3344480, 3511704, 4013376, 4389630, 4682272, 5016720, 5852840, 6688960, 7023408, 8026752, 8779260, 9364544, 10033440, 11705680, 13377920, 14046816, 17558520, 18729088, 20066880, 23411360, 28093632, 35117040, 40133760, 46822720, 56187264, 70234080, 93645440, 140468160, 280936320]

約数ペア:

[(1, 280936320), (2, 140468160), (3, 93645440), (4, 70234080), (5, 56187264), (6, 46822720), (7, 40133760), (8, 35117040), (10, 28093632), (12, 23411360), (14, 20066880), (15, 18729088), (16, 17558520), (20, 14046816), (21, 13377920), (24, 11705680), (28, 10033440), (30, 9364544), (32, 8779260), (35, 8026752), (40, 7023408), (42, 6688960), (48, 5852840), (56, 5016720), (60, 4682272), (64, 4389630), (70, 4013376), (80, 3511704), (84, 3344480), (96, 2926420), (105, 2675584), (112, 2508360), (120, 2341136), (128, 2194815), (140, 2006688), (160, 1755852), (168, 1672240), (192, 1463210), (210, 1337792), (224, 1254180), (240, 1170568), (280, 1003344), (320, 877926), (336, 836120), (384, 731605), (420, 668896), (448, 627090), (480, 585284), (560, 501672), (640, 438963), (672, 418060), (840, 334448), (896, 313545), (960, 292642), (1120, 250836), (1344, 209030), (1680, 167224), (1920, 146321), (2240, 125418), (2688, 104515), (3360, 83612), (4480, 62709), (6720, 41806), (13440, 20903)]