87165540

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{331}}^1$

素因数の和:383

約数の個数: 288

約数和(自身を含む): 348042240

約数和(自身を除く): 260876700

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 11, 12, 14, 15, 18, 19, 20, 21, 22, 28, 30, 33, 35, 36, 38, 42, 44, 45, 55, 57, 60, 63, 66, 70, 76, 77, 84, 90, 95, 99, 105, 110, 114, 126, 132, 133, 140, 154, 165, 171, 180, 190, 198, 209, 210, 220, 228, 231, 252, 266, 285, 308, 315, 330, 331, 342, 380, 385, 396, 399, 418, 420, 462, 495, 532, 570, 627, 630, 660, 662, 665, 684, 693, 770, 798, 836, 855, 924, 990, 993, 1045, 1140, 1155, 1197, 1254, 1260, 1324, 1330, 1386, 1463, 1540, 1596, 1655, 1710, 1881, 1980, 1986, 1995, 2090, 2310, 2317, 2394, 2508, 2660, 2772, 2926, 2979, 3135, 3310, 3420, 3465, 3641, 3762, 3972, 3990, 4180, 4389, 4620, 4634, 4788, 4965, 5852, 5958, 5985, 6270, 6289, 6620, 6930, 6951, 7282, 7315, 7524, 7980, 8778, 9268, 9405, 9930, 10923, 11585, 11916, 11970, 12540, 12578, 13167, 13860, 13902, 14564, 14630, 14895, 17556, 18205, 18810, 18867, 19860, 20853, 21846, 21945, 23170, 23940, 25156, 25487, 26334, 27804, 29260, 29790, 31445, 32769, 34755, 36410, 37620, 37734, 41706, 43692, 43890, 44023, 46340, 50974, 52668, 54615, 56601, 59580, 62890, 65538, 65835, 69179, 69510, 72820, 75468, 76461, 83412, 87780, 88046, 94335, 101948, 104265, 109230, 113202, 125780, 127435, 131076, 131670, 132069, 138358, 139020, 152922, 163845, 176092, 188670, 207537, 208530, 218460, 220115, 226404, 229383, 254870, 263340, 264138, 276716, 283005, 305844, 327690, 345895, 377340, 382305, 396207, 415074, 417060, 440230, 458766, 484253, 509740, 528276, 566010, 622611, 655380, 660345, 691790, 764610, 792414, 830148, 880460, 917532, 968506, 1037685, 1132020, 1146915, 1245222, 1320690, 1383580, 1452759, 1529220, 1584828, 1937012, 1981035, 2075370, 2293830, 2421265, 2490444, 2641380, 2905518, 3113055, 3962070, 4150740, 4358277, 4587660, 4842530, 5811036, 6226110, 7263795, 7924140, 8716554, 9685060, 12452220, 14527590, 17433108, 21791385, 29055180, 43582770, 87165540]

約数ペア:

[(1, 87165540), (2, 43582770), (3, 29055180), (4, 21791385), (5, 17433108), (6, 14527590), (7, 12452220), (9, 9685060), (10, 8716554), (11, 7924140), (12, 7263795), (14, 6226110), (15, 5811036), (18, 4842530), (19, 4587660), (20, 4358277), (21, 4150740), (22, 3962070), (28, 3113055), (30, 2905518), (33, 2641380), (35, 2490444), (36, 2421265), (38, 2293830), (42, 2075370), (44, 1981035), (45, 1937012), (55, 1584828), (57, 1529220), (60, 1452759), (63, 1383580), (66, 1320690), (70, 1245222), (76, 1146915), (77, 1132020), (84, 1037685), (90, 968506), (95, 917532), (99, 880460), (105, 830148), (110, 792414), (114, 764610), (126, 691790), (132, 660345), (133, 655380), (140, 622611), (154, 566010), (165, 528276), (171, 509740), (180, 484253), (190, 458766), (198, 440230), (209, 417060), (210, 415074), (220, 396207), (228, 382305), (231, 377340), (252, 345895), (266, 327690), (285, 305844), (308, 283005), (315, 276716), (330, 264138), (331, 263340), (342, 254870), (380, 229383), (385, 226404), (396, 220115), (399, 218460), (418, 208530), (420, 207537), (462, 188670), (495, 176092), (532, 163845), (570, 152922), (627, 139020), (630, 138358), (660, 132069), (662, 131670), (665, 131076), (684, 127435), (693, 125780), (770, 113202), (798, 109230), (836, 104265), (855, 101948), (924, 94335), (990, 88046), (993, 87780), (1045, 83412), (1140, 76461), (1155, 75468), (1197, 72820), (1254, 69510), (1260, 69179), (1324, 65835), (1330, 65538), (1386, 62890), (1463, 59580), (1540, 56601), (1596, 54615), (1655, 52668), (1710, 50974), (1881, 46340), (1980, 44023), (1986, 43890), (1995, 43692), (2090, 41706), (2310, 37734), (2317, 37620), (2394, 36410), (2508, 34755), (2660, 32769), (2772, 31445), (2926, 29790), (2979, 29260), (3135, 27804), (3310, 26334), (3420, 25487), (3465, 25156), (3641, 23940), (3762, 23170), (3972, 21945), (3990, 21846), (4180, 20853), (4389, 19860), (4620, 18867), (4634, 18810), (4788, 18205), (4965, 17556), (5852, 14895), (5958, 14630), (5985, 14564), (6270, 13902), (6289, 13860), (6620, 13167), (6930, 12578), (6951, 12540), (7282, 11970), (7315, 11916), (7524, 11585), (7980, 10923), (8778, 9930), (9268, 9405)]