28313040

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{887}}^1$

素因数の和:929

約数の個数: 160

約数和(自身を含む): 105707520

約数和(自身を除く): 77394480

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 19, 20, 21, 24, 28, 30, 35, 38, 40, 42, 48, 56, 57, 60, 70, 76, 80, 84, 95, 105, 112, 114, 120, 133, 140, 152, 168, 190, 210, 228, 240, 266, 280, 285, 304, 336, 380, 399, 420, 456, 532, 560, 570, 665, 760, 798, 840, 887, 912, 1064, 1140, 1330, 1520, 1596, 1680, 1774, 1995, 2128, 2280, 2660, 2661, 3192, 3548, 3990, 4435, 4560, 5320, 5322, 6209, 6384, 7096, 7980, 8870, 10640, 10644, 12418, 13305, 14192, 15960, 16853, 17740, 18627, 21288, 24836, 26610, 31045, 31920, 33706, 35480, 37254, 42576, 49672, 50559, 53220, 62090, 67412, 70960, 74508, 84265, 93135, 99344, 101118, 106440, 117971, 124180, 134824, 149016, 168530, 186270, 202236, 212880, 235942, 248360, 252795, 269648, 298032, 337060, 353913, 372540, 404472, 471884, 496720, 505590, 589855, 674120, 707826, 745080, 808944, 943768, 1011180, 1179710, 1348240, 1415652, 1490160, 1769565, 1887536, 2022360, 2359420, 2831304, 3539130, 4044720, 4718840, 5662608, 7078260, 9437680, 14156520, 28313040]

約数ペア:

[(1, 28313040), (2, 14156520), (3, 9437680), (4, 7078260), (5, 5662608), (6, 4718840), (7, 4044720), (8, 3539130), (10, 2831304), (12, 2359420), (14, 2022360), (15, 1887536), (16, 1769565), (19, 1490160), (20, 1415652), (21, 1348240), (24, 1179710), (28, 1011180), (30, 943768), (35, 808944), (38, 745080), (40, 707826), (42, 674120), (48, 589855), (56, 505590), (57, 496720), (60, 471884), (70, 404472), (76, 372540), (80, 353913), (84, 337060), (95, 298032), (105, 269648), (112, 252795), (114, 248360), (120, 235942), (133, 212880), (140, 202236), (152, 186270), (168, 168530), (190, 149016), (210, 134824), (228, 124180), (240, 117971), (266, 106440), (280, 101118), (285, 99344), (304, 93135), (336, 84265), (380, 74508), (399, 70960), (420, 67412), (456, 62090), (532, 53220), (560, 50559), (570, 49672), (665, 42576), (760, 37254), (798, 35480), (840, 33706), (887, 31920), (912, 31045), (1064, 26610), (1140, 24836), (1330, 21288), (1520, 18627), (1596, 17740), (1680, 16853), (1774, 15960), (1995, 14192), (2128, 13305), (2280, 12418), (2660, 10644), (2661, 10640), (3192, 8870), (3548, 7980), (3990, 7096), (4435, 6384), (4560, 6209), (5320, 5322)]