261486360

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{12743}}^1$

素因数の和:12782

約数の個数: 128

約数和(自身を含む): 917568000

約数和(自身を除く): 656081640

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 27, 30, 36, 38, 40, 45, 54, 57, 60, 72, 76, 90, 95, 108, 114, 120, 135, 152, 171, 180, 190, 216, 228, 270, 285, 342, 360, 380, 456, 513, 540, 570, 684, 760, 855, 1026, 1080, 1140, 1368, 1710, 2052, 2280, 2565, 3420, 4104, 5130, 6840, 10260, 12743, 20520, 25486, 38229, 50972, 63715, 76458, 101944, 114687, 127430, 152916, 191145, 229374, 242117, 254860, 305832, 344061, 382290, 458748, 484234, 509720, 573435, 688122, 726351, 764580, 917496, 968468, 1146870, 1210585, 1376244, 1452702, 1529160, 1720305, 1936936, 2179053, 2293740, 2421170, 2752488, 2905404, 3440610, 3631755, 4358106, 4587480, 4842340, 5810808, 6537159, 6881220, 7263510, 8716212, 9684680, 10895265, 13074318, 13762440, 14527020, 17432424, 21790530, 26148636, 29054040, 32685795, 43581060, 52297272, 65371590, 87162120, 130743180, 261486360]

約数ペア:

[(1, 261486360), (2, 130743180), (3, 87162120), (4, 65371590), (5, 52297272), (6, 43581060), (8, 32685795), (9, 29054040), (10, 26148636), (12, 21790530), (15, 17432424), (18, 14527020), (19, 13762440), (20, 13074318), (24, 10895265), (27, 9684680), (30, 8716212), (36, 7263510), (38, 6881220), (40, 6537159), (45, 5810808), (54, 4842340), (57, 4587480), (60, 4358106), (72, 3631755), (76, 3440610), (90, 2905404), (95, 2752488), (108, 2421170), (114, 2293740), (120, 2179053), (135, 1936936), (152, 1720305), (171, 1529160), (180, 1452702), (190, 1376244), (216, 1210585), (228, 1146870), (270, 968468), (285, 917496), (342, 764580), (360, 726351), (380, 688122), (456, 573435), (513, 509720), (540, 484234), (570, 458748), (684, 382290), (760, 344061), (855, 305832), (1026, 254860), (1080, 242117), (1140, 229374), (1368, 191145), (1710, 152916), (2052, 127430), (2280, 114687), (2565, 101944), (3420, 76458), (4104, 63715), (5130, 50972), (6840, 38229), (10260, 25486), (12743, 20520)]