31084620

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{97}}^1\times {\mathrm{109}}^1$

素因数の和:232

約数の個数: 144

約数和(自身を含む): 103229280

約数和(自身を除く): 72144660

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, 109, 140, 147, 194, 196, 210, 218, 245, 291, 294, 327, 388, 420, 436, 485, 490, 545, 582, 588, 654, 679, 735, 763, 970, 980, 1090, 1164, 1308, 1358, 1455, 1470, 1526, 1635, 1940, 2037, 2180, 2289, 2716, 2910, 2940, 3052, 3270, 3395, 3815, 4074, 4578, 4753, 5341, 5820, 6540, 6790, 7630, 8148, 9156, 9506, 10185, 10573, 10682, 11445, 13580, 14259, 15260, 16023, 19012, 20370, 21146, 21364, 22890, 23765, 26705, 28518, 31719, 32046, 40740, 42292, 45780, 47530, 52865, 53410, 57036, 63438, 64092, 71295, 74011, 80115, 95060, 105730, 106820, 126876, 142590, 148022, 158595, 160230, 211460, 222033, 285180, 296044, 317190, 320460, 370055, 444066, 518077, 634380, 740110, 888132, 1036154, 1110165, 1480220, 1554231, 2072308, 2220330, 2590385, 3108462, 4440660, 5180770, 6216924, 7771155, 10361540, 15542310, 31084620]

約数ペア:

[(1, 31084620), (2, 15542310), (3, 10361540), (4, 7771155), (5, 6216924), (6, 5180770), (7, 4440660), (10, 3108462), (12, 2590385), (14, 2220330), (15, 2072308), (20, 1554231), (21, 1480220), (28, 1110165), (30, 1036154), (35, 888132), (42, 740110), (49, 634380), (60, 518077), (70, 444066), (84, 370055), (97, 320460), (98, 317190), (105, 296044), (109, 285180), (140, 222033), (147, 211460), (194, 160230), (196, 158595), (210, 148022), (218, 142590), (245, 126876), (291, 106820), (294, 105730), (327, 95060), (388, 80115), (420, 74011), (436, 71295), (485, 64092), (490, 63438), (545, 57036), (582, 53410), (588, 52865), (654, 47530), (679, 45780), (735, 42292), (763, 40740), (970, 32046), (980, 31719), (1090, 28518), (1164, 26705), (1308, 23765), (1358, 22890), (1455, 21364), (1470, 21146), (1526, 20370), (1635, 19012), (1940, 16023), (2037, 15260), (2180, 14259), (2289, 13580), (2716, 11445), (2910, 10682), (2940, 10573), (3052, 10185), (3270, 9506), (3395, 9156), (3815, 8148), (4074, 7630), (4578, 6790), (4753, 6540), (5341, 5820)]