80144460

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{2381}}^1$

素因数の和:2424

約数の個数: 144

約数和(自身を含む): 280923552

約数和(自身を除く): 200779092

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 17, 18, 20, 22, 30, 33, 34, 36, 44, 45, 51, 55, 60, 66, 68, 85, 90, 99, 102, 110, 132, 153, 165, 170, 180, 187, 198, 204, 220, 255, 306, 330, 340, 374, 396, 495, 510, 561, 612, 660, 748, 765, 935, 990, 1020, 1122, 1530, 1683, 1870, 1980, 2244, 2381, 2805, 3060, 3366, 3740, 4762, 5610, 6732, 7143, 8415, 9524, 11220, 11905, 14286, 16830, 21429, 23810, 26191, 28572, 33660, 35715, 40477, 42858, 47620, 52382, 71430, 78573, 80954, 85716, 104764, 107145, 121431, 130955, 142860, 157146, 161908, 202385, 214290, 235719, 242862, 261910, 314292, 364293, 392865, 404770, 428580, 445247, 471438, 485724, 523820, 607155, 728586, 785730, 809540, 890494, 942876, 1178595, 1214310, 1335741, 1457172, 1571460, 1780988, 1821465, 2226235, 2357190, 2428620, 2671482, 3642930, 4007223, 4452470, 4714380, 5342964, 6678705, 7285860, 8014446, 8904940, 13357410, 16028892, 20036115, 26714820, 40072230, 80144460]

約数ペア:

[(1, 80144460), (2, 40072230), (3, 26714820), (4, 20036115), (5, 16028892), (6, 13357410), (9, 8904940), (10, 8014446), (11, 7285860), (12, 6678705), (15, 5342964), (17, 4714380), (18, 4452470), (20, 4007223), (22, 3642930), (30, 2671482), (33, 2428620), (34, 2357190), (36, 2226235), (44, 1821465), (45, 1780988), (51, 1571460), (55, 1457172), (60, 1335741), (66, 1214310), (68, 1178595), (85, 942876), (90, 890494), (99, 809540), (102, 785730), (110, 728586), (132, 607155), (153, 523820), (165, 485724), (170, 471438), (180, 445247), (187, 428580), (198, 404770), (204, 392865), (220, 364293), (255, 314292), (306, 261910), (330, 242862), (340, 235719), (374, 214290), (396, 202385), (495, 161908), (510, 157146), (561, 142860), (612, 130955), (660, 121431), (748, 107145), (765, 104764), (935, 85716), (990, 80954), (1020, 78573), (1122, 71430), (1530, 52382), (1683, 47620), (1870, 42858), (1980, 40477), (2244, 35715), (2381, 33660), (2805, 28572), (3060, 26191), (3366, 23810), (3740, 21429), (4762, 16830), (5610, 14286), (6732, 11905), (7143, 11220), (8415, 9524)]