1561805280

素因数分解:

$2^5\times 3^3\times 5^1\times 7^1\times {\mathrm{51647}}^1$

素因数の和:51678

約数の個数: 192

約数和(自身を含む): 6247342080

約数和(自身を除く): 4685536800

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 80, 84, 90, 96, 105, 108, 112, 120, 126, 135, 140, 144, 160, 168, 180, 189, 210, 216, 224, 240, 252, 270, 280, 288, 315, 336, 360, 378, 420, 432, 480, 504, 540, 560, 630, 672, 720, 756, 840, 864, 945, 1008, 1080, 1120, 1260, 1440, 1512, 1680, 1890, 2016, 2160, 2520, 3024, 3360, 3780, 4320, 5040, 6048, 7560, 10080, 15120, 30240, 51647, 103294, 154941, 206588, 258235, 309882, 361529, 413176, 464823, 516470, 619764, 723058, 774705, 826352, 929646, 1032940, 1084587, 1239528, 1394469, 1446116, 1549410, 1652704, 1807645, 1859292, 2065880, 2169174, 2324115, 2479056, 2788938, 2892232, 3098820, 3253761, 3615290, 3718584, 4131760, 4338348, 4648230, 4958112, 5422935, 5577876, 5784464, 6197640, 6507522, 6972345, 7230580, 7437168, 8263520, 8676696, 9296460, 9761283, 10845870, 11155752, 11568928, 12395280, 13015044, 13944690, 14461160, 14874336, 16268805, 17353392, 18592920, 19522566, 21691740, 22311504, 24790560, 26030088, 27889380, 28922320, 32537610, 34706784, 37185840, 39045132, 43383480, 44623008, 48806415, 52060176, 55778760, 57844640, 65075220, 74371680, 78090264, 86766960, 97612830, 104120352, 111557520, 130150440, 156180528, 173533920, 195225660, 223115040, 260300880, 312361056, 390451320, 520601760, 780902640, 1561805280]

約数ペア:

[(1, 1561805280), (2, 780902640), (3, 520601760), (4, 390451320), (5, 312361056), (6, 260300880), (7, 223115040), (8, 195225660), (9, 173533920), (10, 156180528), (12, 130150440), (14, 111557520), (15, 104120352), (16, 97612830), (18, 86766960), (20, 78090264), (21, 74371680), (24, 65075220), (27, 57844640), (28, 55778760), (30, 52060176), (32, 48806415), (35, 44623008), (36, 43383480), (40, 39045132), (42, 37185840), (45, 34706784), (48, 32537610), (54, 28922320), (56, 27889380), (60, 26030088), (63, 24790560), (70, 22311504), (72, 21691740), (80, 19522566), (84, 18592920), (90, 17353392), (96, 16268805), (105, 14874336), (108, 14461160), (112, 13944690), (120, 13015044), (126, 12395280), (135, 11568928), (140, 11155752), (144, 10845870), (160, 9761283), (168, 9296460), (180, 8676696), (189, 8263520), (210, 7437168), (216, 7230580), (224, 6972345), (240, 6507522), (252, 6197640), (270, 5784464), (280, 5577876), (288, 5422935), (315, 4958112), (336, 4648230), (360, 4338348), (378, 4131760), (420, 3718584), (432, 3615290), (480, 3253761), (504, 3098820), (540, 2892232), (560, 2788938), (630, 2479056), (672, 2324115), (720, 2169174), (756, 2065880), (840, 1859292), (864, 1807645), (945, 1652704), (1008, 1549410), (1080, 1446116), (1120, 1394469), (1260, 1239528), (1440, 1084587), (1512, 1032940), (1680, 929646), (1890, 826352), (2016, 774705), (2160, 723058), (2520, 619764), (3024, 516470), (3360, 464823), (3780, 413176), (4320, 361529), (5040, 309882), (6048, 258235), (7560, 206588), (10080, 154941), (15120, 103294), (30240, 51647)]