213081120

素因数分解:

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

素因数の和:21167

約数の個数: 144

約数和(自身を含む): 831055680

約数和(自身を除く): 617974560

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 140, 144, 160, 168, 180, 210, 224, 240, 252, 280, 288, 315, 336, 360, 420, 480, 504, 560, 630, 672, 720, 840, 1008, 1120, 1260, 1440, 1680, 2016, 2520, 3360, 5040, 10080, 21139, 42278, 63417, 84556, 105695, 126834, 147973, 169112, 190251, 211390, 253668, 295946, 317085, 338224, 380502, 422780, 443919, 507336, 591892, 634170, 676448, 739865, 761004, 845560, 887838, 951255, 1014672, 1183784, 1268340, 1331757, 1479730, 1522008, 1691120, 1775676, 1902510, 2029344, 2219595, 2367568, 2536680, 2663514, 2959460, 3044016, 3382240, 3551352, 3805020, 4439190, 4735136, 5073360, 5327028, 5918920, 6088032, 6658785, 7102704, 7610040, 8878380, 10146720, 10654056, 11837840, 13317570, 14205408, 15220080, 17756760, 21308112, 23675680, 26635140, 30440160, 35513520, 42616224, 53270280, 71027040, 106540560, 213081120]

約数ペア:

[(1, 213081120), (2, 106540560), (3, 71027040), (4, 53270280), (5, 42616224), (6, 35513520), (7, 30440160), (8, 26635140), (9, 23675680), (10, 21308112), (12, 17756760), (14, 15220080), (15, 14205408), (16, 13317570), (18, 11837840), (20, 10654056), (21, 10146720), (24, 8878380), (28, 7610040), (30, 7102704), (32, 6658785), (35, 6088032), (36, 5918920), (40, 5327028), (42, 5073360), (45, 4735136), (48, 4439190), (56, 3805020), (60, 3551352), (63, 3382240), (70, 3044016), (72, 2959460), (80, 2663514), (84, 2536680), (90, 2367568), (96, 2219595), (105, 2029344), (112, 1902510), (120, 1775676), (126, 1691120), (140, 1522008), (144, 1479730), (160, 1331757), (168, 1268340), (180, 1183784), (210, 1014672), (224, 951255), (240, 887838), (252, 845560), (280, 761004), (288, 739865), (315, 676448), (336, 634170), (360, 591892), (420, 507336), (480, 443919), (504, 422780), (560, 380502), (630, 338224), (672, 317085), (720, 295946), (840, 253668), (1008, 211390), (1120, 190251), (1260, 169112), (1440, 147973), (1680, 126834), (2016, 105695), (2520, 84556), (3360, 63417), (5040, 42278), (10080, 21139)]