681639840

素因数分解:

$2^5\times 3^3\times 5^1\times 7^1\times {\mathrm{22541}}^1$

素因数の和:22572

約数の個数: 192

約数和(自身を含む): 2726680320

約数和(自身を除く): 2045040480

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, 22541, 30240, 45082, 67623, 90164, 112705, 135246, 157787, 180328, 202869, 225410, 270492, 315574, 338115, 360656, 405738, 450820, 473361, 540984, 608607, 631148, 676230, 721312, 788935, 811476, 901640, 946722, 1014345, 1081968, 1217214, 1262296, 1352460, 1420083, 1577870, 1622952, 1803280, 1893444, 2028690, 2163936, 2366805, 2434428, 2524592, 2704920, 2840166, 3043035, 3155740, 3245904, 3606560, 3786888, 4057380, 4260249, 4733610, 4868856, 5049184, 5409840, 5680332, 6086070, 6311480, 6491808, 7100415, 7573776, 8114760, 8520498, 9467220, 9737712, 10819680, 11360664, 12172140, 12622960, 14200830, 15147552, 16229520, 17040996, 18934440, 19475424, 21301245, 22721328, 24344280, 25245920, 28401660, 32459040, 34081992, 37868880, 42602490, 45442656, 48688560, 56803320, 68163984, 75737760, 85204980, 97377120, 113606640, 136327968, 170409960, 227213280, 340819920, 681639840]

約数ペア:

[(1, 681639840), (2, 340819920), (3, 227213280), (4, 170409960), (5, 136327968), (6, 113606640), (7, 97377120), (8, 85204980), (9, 75737760), (10, 68163984), (12, 56803320), (14, 48688560), (15, 45442656), (16, 42602490), (18, 37868880), (20, 34081992), (21, 32459040), (24, 28401660), (27, 25245920), (28, 24344280), (30, 22721328), (32, 21301245), (35, 19475424), (36, 18934440), (40, 17040996), (42, 16229520), (45, 15147552), (48, 14200830), (54, 12622960), (56, 12172140), (60, 11360664), (63, 10819680), (70, 9737712), (72, 9467220), (80, 8520498), (84, 8114760), (90, 7573776), (96, 7100415), (105, 6491808), (108, 6311480), (112, 6086070), (120, 5680332), (126, 5409840), (135, 5049184), (140, 4868856), (144, 4733610), (160, 4260249), (168, 4057380), (180, 3786888), (189, 3606560), (210, 3245904), (216, 3155740), (224, 3043035), (240, 2840166), (252, 2704920), (270, 2524592), (280, 2434428), (288, 2366805), (315, 2163936), (336, 2028690), (360, 1893444), (378, 1803280), (420, 1622952), (432, 1577870), (480, 1420083), (504, 1352460), (540, 1262296), (560, 1217214), (630, 1081968), (672, 1014345), (720, 946722), (756, 901640), (840, 811476), (864, 788935), (945, 721312), (1008, 676230), (1080, 631148), (1120, 608607), (1260, 540984), (1440, 473361), (1512, 450820), (1680, 405738), (1890, 360656), (2016, 338115), (2160, 315574), (2520, 270492), (3024, 225410), (3360, 202869), (3780, 180328), (4320, 157787), (5040, 135246), (6048, 112705), (7560, 90164), (10080, 67623), (15120, 45082), (22541, 30240)]