639243360

素因数分解:

$2^5\times 3^3\times 5^1\times 7^1\times {\mathrm{21139}}^1$

素因数の和:21170

約数の個数: 192

約数和(自身を含む): 2557094400

約数和(自身を除く): 1917851040

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, 21139, 30240, 42278, 63417, 84556, 105695, 126834, 147973, 169112, 190251, 211390, 253668, 295946, 317085, 338224, 380502, 422780, 443919, 507336, 570753, 591892, 634170, 676448, 739865, 761004, 845560, 887838, 951255, 1014672, 1141506, 1183784, 1268340, 1331757, 1479730, 1522008, 1691120, 1775676, 1902510, 2029344, 2219595, 2283012, 2367568, 2536680, 2663514, 2853765, 2959460, 3044016, 3382240, 3551352, 3805020, 3995271, 4439190, 4566024, 4735136, 5073360, 5327028, 5707530, 5918920, 6088032, 6658785, 7102704, 7610040, 7990542, 8878380, 9132048, 10146720, 10654056, 11415060, 11837840, 13317570, 14205408, 15220080, 15981084, 17756760, 18264096, 19976355, 21308112, 22830120, 23675680, 26635140, 30440160, 31962168, 35513520, 39952710, 42616224, 45660240, 53270280, 63924336, 71027040, 79905420, 91320480, 106540560, 127848672, 159810840, 213081120, 319621680, 639243360]

約数ペア:

[(1, 639243360), (2, 319621680), (3, 213081120), (4, 159810840), (5, 127848672), (6, 106540560), (7, 91320480), (8, 79905420), (9, 71027040), (10, 63924336), (12, 53270280), (14, 45660240), (15, 42616224), (16, 39952710), (18, 35513520), (20, 31962168), (21, 30440160), (24, 26635140), (27, 23675680), (28, 22830120), (30, 21308112), (32, 19976355), (35, 18264096), (36, 17756760), (40, 15981084), (42, 15220080), (45, 14205408), (48, 13317570), (54, 11837840), (56, 11415060), (60, 10654056), (63, 10146720), (70, 9132048), (72, 8878380), (80, 7990542), (84, 7610040), (90, 7102704), (96, 6658785), (105, 6088032), (108, 5918920), (112, 5707530), (120, 5327028), (126, 5073360), (135, 4735136), (140, 4566024), (144, 4439190), (160, 3995271), (168, 3805020), (180, 3551352), (189, 3382240), (210, 3044016), (216, 2959460), (224, 2853765), (240, 2663514), (252, 2536680), (270, 2367568), (280, 2283012), (288, 2219595), (315, 2029344), (336, 1902510), (360, 1775676), (378, 1691120), (420, 1522008), (432, 1479730), (480, 1331757), (504, 1268340), (540, 1183784), (560, 1141506), (630, 1014672), (672, 951255), (720, 887838), (756, 845560), (840, 761004), (864, 739865), (945, 676448), (1008, 634170), (1080, 591892), (1120, 570753), (1260, 507336), (1440, 443919), (1512, 422780), (1680, 380502), (1890, 338224), (2016, 317085), (2160, 295946), (2520, 253668), (3024, 211390), (3360, 190251), (3780, 169112), (4320, 147973), (5040, 126834), (6048, 105695), (7560, 84556), (10080, 63417), (15120, 42278), (21139, 30240)]