28091280

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{727}}^1$

素因数の和:773

約数の個数: 160

約数和(自身を含む): 103993344

約数和(自身を除く): 75902064

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 23, 24, 28, 30, 35, 40, 42, 46, 48, 56, 60, 69, 70, 80, 84, 92, 105, 112, 115, 120, 138, 140, 161, 168, 184, 210, 230, 240, 276, 280, 322, 336, 345, 368, 420, 460, 483, 552, 560, 644, 690, 727, 805, 840, 920, 966, 1104, 1288, 1380, 1454, 1610, 1680, 1840, 1932, 2181, 2415, 2576, 2760, 2908, 3220, 3635, 3864, 4362, 4830, 5089, 5520, 5816, 6440, 7270, 7728, 8724, 9660, 10178, 10905, 11632, 12880, 14540, 15267, 16721, 17448, 19320, 20356, 21810, 25445, 29080, 30534, 33442, 34896, 38640, 40712, 43620, 50163, 50890, 58160, 61068, 66884, 76335, 81424, 83605, 87240, 100326, 101780, 117047, 122136, 133768, 152670, 167210, 174480, 200652, 203560, 234094, 244272, 250815, 267536, 305340, 334420, 351141, 401304, 407120, 468188, 501630, 585235, 610680, 668840, 702282, 802608, 936376, 1003260, 1170470, 1221360, 1337680, 1404564, 1755705, 1872752, 2006520, 2340940, 2809128, 3511410, 4013040, 4681880, 5618256, 7022820, 9363760, 14045640, 28091280]

約数ペア:

[(1, 28091280), (2, 14045640), (3, 9363760), (4, 7022820), (5, 5618256), (6, 4681880), (7, 4013040), (8, 3511410), (10, 2809128), (12, 2340940), (14, 2006520), (15, 1872752), (16, 1755705), (20, 1404564), (21, 1337680), (23, 1221360), (24, 1170470), (28, 1003260), (30, 936376), (35, 802608), (40, 702282), (42, 668840), (46, 610680), (48, 585235), (56, 501630), (60, 468188), (69, 407120), (70, 401304), (80, 351141), (84, 334420), (92, 305340), (105, 267536), (112, 250815), (115, 244272), (120, 234094), (138, 203560), (140, 200652), (161, 174480), (168, 167210), (184, 152670), (210, 133768), (230, 122136), (240, 117047), (276, 101780), (280, 100326), (322, 87240), (336, 83605), (345, 81424), (368, 76335), (420, 66884), (460, 61068), (483, 58160), (552, 50890), (560, 50163), (644, 43620), (690, 40712), (727, 38640), (805, 34896), (840, 33442), (920, 30534), (966, 29080), (1104, 25445), (1288, 21810), (1380, 20356), (1454, 19320), (1610, 17448), (1680, 16721), (1840, 15267), (1932, 14540), (2181, 12880), (2415, 11632), (2576, 10905), (2760, 10178), (2908, 9660), (3220, 8724), (3635, 7728), (3864, 7270), (4362, 6440), (4830, 5816), (5089, 5520)]