128564520

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{3733}}^1$

素因数の和:3795

約数の個数: 128

約数和(自身を含む): 451664640

約数和(自身を除く): 323100120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 41, 42, 56, 60, 70, 82, 84, 105, 120, 123, 140, 164, 168, 205, 210, 246, 280, 287, 328, 410, 420, 492, 574, 615, 820, 840, 861, 984, 1148, 1230, 1435, 1640, 1722, 2296, 2460, 2870, 3444, 3733, 4305, 4920, 5740, 6888, 7466, 8610, 11199, 11480, 14932, 17220, 18665, 22398, 26131, 29864, 34440, 37330, 44796, 52262, 55995, 74660, 78393, 89592, 104524, 111990, 130655, 149320, 153053, 156786, 209048, 223980, 261310, 306106, 313572, 391965, 447960, 459159, 522620, 612212, 627144, 765265, 783930, 918318, 1045240, 1071371, 1224424, 1530530, 1567860, 1836636, 2142742, 2295795, 3061060, 3135720, 3214113, 3673272, 4285484, 4591590, 5356855, 6122120, 6428226, 8570968, 9183180, 10713710, 12856452, 16070565, 18366360, 21427420, 25712904, 32141130, 42854840, 64282260, 128564520]

約数ペア:

[(1, 128564520), (2, 64282260), (3, 42854840), (4, 32141130), (5, 25712904), (6, 21427420), (7, 18366360), (8, 16070565), (10, 12856452), (12, 10713710), (14, 9183180), (15, 8570968), (20, 6428226), (21, 6122120), (24, 5356855), (28, 4591590), (30, 4285484), (35, 3673272), (40, 3214113), (41, 3135720), (42, 3061060), (56, 2295795), (60, 2142742), (70, 1836636), (82, 1567860), (84, 1530530), (105, 1224424), (120, 1071371), (123, 1045240), (140, 918318), (164, 783930), (168, 765265), (205, 627144), (210, 612212), (246, 522620), (280, 459159), (287, 447960), (328, 391965), (410, 313572), (420, 306106), (492, 261310), (574, 223980), (615, 209048), (820, 156786), (840, 153053), (861, 149320), (984, 130655), (1148, 111990), (1230, 104524), (1435, 89592), (1640, 78393), (1722, 74660), (2296, 55995), (2460, 52262), (2870, 44796), (3444, 37330), (3733, 34440), (4305, 29864), (4920, 26131), (5740, 22398), (6888, 18665), (7466, 17220), (8610, 14932), (11199, 11480)]