28091310

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{223}}^1$

素因数の和:282

約数の個数: 128

約数和(自身を含む): 81285120

約数和(自身を除く): 53193810

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 17, 19, 26, 30, 34, 38, 39, 51, 57, 65, 78, 85, 95, 102, 114, 130, 170, 190, 195, 221, 223, 247, 255, 285, 323, 390, 442, 446, 494, 510, 570, 646, 663, 669, 741, 969, 1105, 1115, 1235, 1326, 1338, 1482, 1615, 1938, 2210, 2230, 2470, 2899, 3230, 3315, 3345, 3705, 3791, 4199, 4237, 4845, 5798, 6630, 6690, 7410, 7582, 8398, 8474, 8697, 9690, 11373, 12597, 12711, 14495, 17394, 18955, 20995, 21185, 22746, 25194, 25422, 28990, 37910, 41990, 42370, 43485, 49283, 55081, 56865, 62985, 63555, 72029, 86970, 98566, 110162, 113730, 125970, 127110, 144058, 147849, 165243, 216087, 246415, 275405, 295698, 330486, 360145, 432174, 492830, 550810, 720290, 739245, 826215, 936377, 1080435, 1478490, 1652430, 1872754, 2160870, 2809131, 4681885, 5618262, 9363770, 14045655, 28091310]

約数ペア:

[(1, 28091310), (2, 14045655), (3, 9363770), (5, 5618262), (6, 4681885), (10, 2809131), (13, 2160870), (15, 1872754), (17, 1652430), (19, 1478490), (26, 1080435), (30, 936377), (34, 826215), (38, 739245), (39, 720290), (51, 550810), (57, 492830), (65, 432174), (78, 360145), (85, 330486), (95, 295698), (102, 275405), (114, 246415), (130, 216087), (170, 165243), (190, 147849), (195, 144058), (221, 127110), (223, 125970), (247, 113730), (255, 110162), (285, 98566), (323, 86970), (390, 72029), (442, 63555), (446, 62985), (494, 56865), (510, 55081), (570, 49283), (646, 43485), (663, 42370), (669, 41990), (741, 37910), (969, 28990), (1105, 25422), (1115, 25194), (1235, 22746), (1326, 21185), (1338, 20995), (1482, 18955), (1615, 17394), (1938, 14495), (2210, 12711), (2230, 12597), (2470, 11373), (2899, 9690), (3230, 8697), (3315, 8474), (3345, 8398), (3705, 7582), (3791, 7410), (4199, 6690), (4237, 6630), (4845, 5798)]