215388180

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{2999}}^1$

素因数の和:3043

約数の個数: 192

約数和(自身を含む): 806400000

約数和(自身を除く): 591011820

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 19, 20, 21, 27, 28, 30, 35, 36, 38, 42, 45, 54, 57, 60, 63, 70, 76, 84, 90, 95, 105, 108, 114, 126, 133, 135, 140, 171, 180, 189, 190, 210, 228, 252, 266, 270, 285, 315, 342, 378, 380, 399, 420, 513, 532, 540, 570, 630, 665, 684, 756, 798, 855, 945, 1026, 1140, 1197, 1260, 1330, 1596, 1710, 1890, 1995, 2052, 2394, 2565, 2660, 2999, 3420, 3591, 3780, 3990, 4788, 5130, 5985, 5998, 7182, 7980, 8997, 10260, 11970, 11996, 14364, 14995, 17955, 17994, 20993, 23940, 26991, 29990, 35910, 35988, 41986, 44985, 53982, 56981, 59980, 62979, 71820, 80973, 83972, 89970, 104965, 107964, 113962, 125958, 134955, 161946, 170943, 179940, 188937, 209930, 227924, 251916, 269910, 284905, 314895, 323892, 341886, 377874, 398867, 404865, 419860, 512829, 539820, 566811, 569810, 629790, 683772, 755748, 797734, 809730, 854715, 944685, 1025658, 1133622, 1139620, 1196601, 1259580, 1538487, 1595468, 1619460, 1709430, 1889370, 1994335, 2051316, 2267244, 2393202, 2564145, 2834055, 3076974, 3418860, 3589803, 3778740, 3988670, 4786404, 5128290, 5668110, 5983005, 6153948, 7179606, 7692435, 7977340, 10256580, 10769409, 11336220, 11966010, 14359212, 15384870, 17949015, 21538818, 23932020, 30769740, 35898030, 43077636, 53847045, 71796060, 107694090, 215388180]

約数ペア:

[(1, 215388180), (2, 107694090), (3, 71796060), (4, 53847045), (5, 43077636), (6, 35898030), (7, 30769740), (9, 23932020), (10, 21538818), (12, 17949015), (14, 15384870), (15, 14359212), (18, 11966010), (19, 11336220), (20, 10769409), (21, 10256580), (27, 7977340), (28, 7692435), (30, 7179606), (35, 6153948), (36, 5983005), (38, 5668110), (42, 5128290), (45, 4786404), (54, 3988670), (57, 3778740), (60, 3589803), (63, 3418860), (70, 3076974), (76, 2834055), (84, 2564145), (90, 2393202), (95, 2267244), (105, 2051316), (108, 1994335), (114, 1889370), (126, 1709430), (133, 1619460), (135, 1595468), (140, 1538487), (171, 1259580), (180, 1196601), (189, 1139620), (190, 1133622), (210, 1025658), (228, 944685), (252, 854715), (266, 809730), (270, 797734), (285, 755748), (315, 683772), (342, 629790), (378, 569810), (380, 566811), (399, 539820), (420, 512829), (513, 419860), (532, 404865), (540, 398867), (570, 377874), (630, 341886), (665, 323892), (684, 314895), (756, 284905), (798, 269910), (855, 251916), (945, 227924), (1026, 209930), (1140, 188937), (1197, 179940), (1260, 170943), (1330, 161946), (1596, 134955), (1710, 125958), (1890, 113962), (1995, 107964), (2052, 104965), (2394, 89970), (2565, 83972), (2660, 80973), (2999, 71820), (3420, 62979), (3591, 59980), (3780, 56981), (3990, 53982), (4788, 44985), (5130, 41986), (5985, 35988), (5998, 35910), (7182, 29990), (7980, 26991), (8997, 23940), (10260, 20993), (11970, 17994), (11996, 17955), (14364, 14995)]