78458220

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{2549}}^1$

素因数の和:2589

約数の個数: 120

約数和(自身を含む): 259182000

約数和(自身を除く): 180723780

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 27, 30, 36, 38, 45, 54, 57, 60, 76, 81, 90, 95, 108, 114, 135, 162, 171, 180, 190, 228, 270, 285, 324, 342, 380, 405, 513, 540, 570, 684, 810, 855, 1026, 1140, 1539, 1620, 1710, 2052, 2549, 2565, 3078, 3420, 5098, 5130, 6156, 7647, 7695, 10196, 10260, 12745, 15294, 15390, 22941, 25490, 30588, 30780, 38235, 45882, 48431, 50980, 68823, 76470, 91764, 96862, 114705, 137646, 145293, 152940, 193724, 206469, 229410, 242155, 275292, 290586, 344115, 412938, 435879, 458820, 484310, 581172, 688230, 726465, 825876, 871758, 968620, 1032345, 1307637, 1376460, 1452930, 1743516, 2064690, 2179395, 2615274, 2905860, 3922911, 4129380, 4358790, 5230548, 6538185, 7845822, 8717580, 13076370, 15691644, 19614555, 26152740, 39229110, 78458220]

約数ペア:

[(1, 78458220), (2, 39229110), (3, 26152740), (4, 19614555), (5, 15691644), (6, 13076370), (9, 8717580), (10, 7845822), (12, 6538185), (15, 5230548), (18, 4358790), (19, 4129380), (20, 3922911), (27, 2905860), (30, 2615274), (36, 2179395), (38, 2064690), (45, 1743516), (54, 1452930), (57, 1376460), (60, 1307637), (76, 1032345), (81, 968620), (90, 871758), (95, 825876), (108, 726465), (114, 688230), (135, 581172), (162, 484310), (171, 458820), (180, 435879), (190, 412938), (228, 344115), (270, 290586), (285, 275292), (324, 242155), (342, 229410), (380, 206469), (405, 193724), (513, 152940), (540, 145293), (570, 137646), (684, 114705), (810, 96862), (855, 91764), (1026, 76470), (1140, 68823), (1539, 50980), (1620, 48431), (1710, 45882), (2052, 38235), (2549, 30780), (2565, 30588), (3078, 25490), (3420, 22941), (5098, 15390), (5130, 15294), (6156, 12745), (7647, 10260), (7695, 10196)]