181809180

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{313}}^1\times {\mathrm{461}}^1$

素因数の和:796

約数の個数: 144

約数和(自身を含む): 633657024

約数和(自身を除く): 451847844

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 313, 315, 420, 461, 626, 630, 922, 939, 1252, 1260, 1383, 1565, 1844, 1878, 2191, 2305, 2766, 2817, 3130, 3227, 3756, 4149, 4382, 4610, 4695, 5532, 5634, 6260, 6454, 6573, 6915, 8298, 8764, 9220, 9390, 9681, 10955, 11268, 12908, 13146, 13830, 14085, 16135, 16596, 18780, 19362, 19719, 20745, 21910, 26292, 27660, 28170, 29043, 32270, 32865, 38724, 39438, 41490, 43820, 48405, 56340, 58086, 64540, 65730, 78876, 82980, 96810, 98595, 116172, 131460, 144293, 145215, 193620, 197190, 288586, 290430, 394380, 432879, 577172, 580860, 721465, 865758, 1010051, 1298637, 1442930, 1731516, 2020102, 2164395, 2597274, 2885860, 3030153, 4040204, 4328790, 5050255, 5194548, 6060306, 6493185, 8657580, 9090459, 10100510, 12120612, 12986370, 15150765, 18180918, 20201020, 25972740, 30301530, 36361836, 45452295, 60603060, 90904590, 181809180]

約数ペア:

[(1, 181809180), (2, 90904590), (3, 60603060), (4, 45452295), (5, 36361836), (6, 30301530), (7, 25972740), (9, 20201020), (10, 18180918), (12, 15150765), (14, 12986370), (15, 12120612), (18, 10100510), (20, 9090459), (21, 8657580), (28, 6493185), (30, 6060306), (35, 5194548), (36, 5050255), (42, 4328790), (45, 4040204), (60, 3030153), (63, 2885860), (70, 2597274), (84, 2164395), (90, 2020102), (105, 1731516), (126, 1442930), (140, 1298637), (180, 1010051), (210, 865758), (252, 721465), (313, 580860), (315, 577172), (420, 432879), (461, 394380), (626, 290430), (630, 288586), (922, 197190), (939, 193620), (1252, 145215), (1260, 144293), (1383, 131460), (1565, 116172), (1844, 98595), (1878, 96810), (2191, 82980), (2305, 78876), (2766, 65730), (2817, 64540), (3130, 58086), (3227, 56340), (3756, 48405), (4149, 43820), (4382, 41490), (4610, 39438), (4695, 38724), (5532, 32865), (5634, 32270), (6260, 29043), (6454, 28170), (6573, 27660), (6915, 26292), (8298, 21910), (8764, 20745), (9220, 19719), (9390, 19362), (9681, 18780), (10955, 16596), (11268, 16135), (12908, 14085), (13146, 13830)]