148578780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{97}}^1\times {\mathrm{521}}^1$

素因数の和:644

約数の個数: 144

約数和(自身を含む): 489869856

約数和(自身を除く): 341291076

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 97, 98, 105, 140, 147, 194, 196, 210, 245, 291, 294, 388, 420, 485, 490, 521, 582, 588, 679, 735, 970, 980, 1042, 1164, 1358, 1455, 1470, 1563, 1940, 2037, 2084, 2605, 2716, 2910, 2940, 3126, 3395, 3647, 4074, 4753, 5210, 5820, 6252, 6790, 7294, 7815, 8148, 9506, 10185, 10420, 10941, 13580, 14259, 14588, 15630, 18235, 19012, 20370, 21882, 23765, 25529, 28518, 31260, 36470, 40740, 43764, 47530, 50537, 51058, 54705, 57036, 71295, 72940, 76587, 95060, 101074, 102116, 109410, 127645, 142590, 151611, 153174, 202148, 218820, 252685, 255290, 285180, 303222, 306348, 353759, 382935, 505370, 510580, 606444, 707518, 758055, 765870, 1010740, 1061277, 1415036, 1516110, 1531740, 1768795, 2122554, 2476313, 3032220, 3537590, 4245108, 4952626, 5306385, 7075180, 7428939, 9905252, 10612770, 12381565, 14857878, 21225540, 24763130, 29715756, 37144695, 49526260, 74289390, 148578780]

約数ペア:

[(1, 148578780), (2, 74289390), (3, 49526260), (4, 37144695), (5, 29715756), (6, 24763130), (7, 21225540), (10, 14857878), (12, 12381565), (14, 10612770), (15, 9905252), (20, 7428939), (21, 7075180), (28, 5306385), (30, 4952626), (35, 4245108), (42, 3537590), (49, 3032220), (60, 2476313), (70, 2122554), (84, 1768795), (97, 1531740), (98, 1516110), (105, 1415036), (140, 1061277), (147, 1010740), (194, 765870), (196, 758055), (210, 707518), (245, 606444), (291, 510580), (294, 505370), (388, 382935), (420, 353759), (485, 306348), (490, 303222), (521, 285180), (582, 255290), (588, 252685), (679, 218820), (735, 202148), (970, 153174), (980, 151611), (1042, 142590), (1164, 127645), (1358, 109410), (1455, 102116), (1470, 101074), (1563, 95060), (1940, 76587), (2037, 72940), (2084, 71295), (2605, 57036), (2716, 54705), (2910, 51058), (2940, 50537), (3126, 47530), (3395, 43764), (3647, 40740), (4074, 36470), (4753, 31260), (5210, 28518), (5820, 25529), (6252, 23765), (6790, 21882), (7294, 20370), (7815, 19012), (8148, 18235), (9506, 15630), (10185, 14588), (10420, 14259), (10941, 13580)]