31967820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{337}}^1$

素因数の和:400

約数の個数: 144

約数和(自身を含む): 106299648

約数和(自身を除く): 74331828

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 31, 34, 36, 45, 51, 60, 62, 68, 85, 90, 93, 102, 124, 153, 155, 170, 180, 186, 204, 255, 279, 306, 310, 337, 340, 372, 465, 510, 527, 558, 612, 620, 674, 765, 930, 1011, 1020, 1054, 1116, 1348, 1395, 1530, 1581, 1685, 1860, 2022, 2108, 2635, 2790, 3033, 3060, 3162, 3370, 4044, 4743, 5055, 5270, 5580, 5729, 6066, 6324, 6740, 7905, 9486, 10110, 10447, 10540, 11458, 12132, 15165, 15810, 17187, 18972, 20220, 20894, 22916, 23715, 28645, 30330, 31341, 31620, 34374, 41788, 47430, 51561, 52235, 57290, 60660, 62682, 68748, 85935, 94023, 94860, 103122, 104470, 114580, 125364, 156705, 171870, 177599, 188046, 206244, 208940, 257805, 313410, 343740, 355198, 376092, 470115, 515610, 532797, 626820, 710396, 887995, 940230, 1031220, 1065594, 1598391, 1775990, 1880460, 2131188, 2663985, 3196782, 3551980, 5327970, 6393564, 7991955, 10655940, 15983910, 31967820]

約数ペア:

[(1, 31967820), (2, 15983910), (3, 10655940), (4, 7991955), (5, 6393564), (6, 5327970), (9, 3551980), (10, 3196782), (12, 2663985), (15, 2131188), (17, 1880460), (18, 1775990), (20, 1598391), (30, 1065594), (31, 1031220), (34, 940230), (36, 887995), (45, 710396), (51, 626820), (60, 532797), (62, 515610), (68, 470115), (85, 376092), (90, 355198), (93, 343740), (102, 313410), (124, 257805), (153, 208940), (155, 206244), (170, 188046), (180, 177599), (186, 171870), (204, 156705), (255, 125364), (279, 114580), (306, 104470), (310, 103122), (337, 94860), (340, 94023), (372, 85935), (465, 68748), (510, 62682), (527, 60660), (558, 57290), (612, 52235), (620, 51561), (674, 47430), (765, 41788), (930, 34374), (1011, 31620), (1020, 31341), (1054, 30330), (1116, 28645), (1348, 23715), (1395, 22916), (1530, 20894), (1581, 20220), (1685, 18972), (1860, 17187), (2022, 15810), (2108, 15165), (2635, 12132), (2790, 11458), (3033, 10540), (3060, 10447), (3162, 10110), (3370, 9486), (4044, 7905), (4743, 6740), (5055, 6324), (5270, 6066), (5580, 5729)]