168458940

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{421}}^1$

素因数の和:474

約数の個数: 240

約数和(自身を含む): 600489120

約数和(自身を除く): 432030180

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 19, 20, 26, 27, 30, 36, 38, 39, 45, 52, 54, 57, 60, 65, 76, 78, 81, 90, 95, 108, 114, 117, 130, 135, 156, 162, 171, 180, 190, 195, 228, 234, 247, 260, 270, 285, 324, 342, 351, 380, 390, 405, 421, 468, 494, 513, 540, 570, 585, 684, 702, 741, 780, 810, 842, 855, 988, 1026, 1053, 1140, 1170, 1235, 1263, 1404, 1482, 1539, 1620, 1684, 1710, 1755, 2052, 2105, 2106, 2223, 2340, 2470, 2526, 2565, 2964, 3078, 3420, 3510, 3705, 3789, 4210, 4212, 4446, 4940, 5052, 5130, 5265, 5473, 6156, 6315, 6669, 7020, 7410, 7578, 7695, 7999, 8420, 8892, 10260, 10530, 10946, 11115, 11367, 12630, 13338, 14820, 15156, 15390, 15998, 16419, 18945, 20007, 21060, 21892, 22230, 22734, 23997, 25260, 26676, 27365, 30780, 31996, 32838, 33345, 34101, 37890, 39995, 40014, 44460, 45468, 47994, 49257, 54730, 56835, 65676, 66690, 68202, 71991, 75780, 79990, 80028, 82095, 95988, 98514, 100035, 103987, 109460, 113670, 119985, 133380, 136404, 143982, 147771, 159980, 164190, 170505, 197028, 200070, 207974, 215973, 227340, 239970, 246285, 287964, 295542, 311961, 328380, 341010, 359955, 400140, 415948, 431946, 443313, 479940, 492570, 519935, 591084, 623922, 647919, 682020, 719910, 738855, 863892, 886626, 935883, 985140, 1039870, 1079865, 1247844, 1295838, 1439820, 1477710, 1559805, 1773252, 1871766, 2079740, 2159730, 2216565, 2591676, 2807649, 2955420, 3119610, 3239595, 3743532, 4319460, 4433130, 4679415, 5615298, 6239220, 6479190, 8422947, 8866260, 9358830, 11230596, 12958380, 14038245, 16845894, 18717660, 28076490, 33691788, 42114735, 56152980, 84229470, 168458940]

約数ペア:

[(1, 168458940), (2, 84229470), (3, 56152980), (4, 42114735), (5, 33691788), (6, 28076490), (9, 18717660), (10, 16845894), (12, 14038245), (13, 12958380), (15, 11230596), (18, 9358830), (19, 8866260), (20, 8422947), (26, 6479190), (27, 6239220), (30, 5615298), (36, 4679415), (38, 4433130), (39, 4319460), (45, 3743532), (52, 3239595), (54, 3119610), (57, 2955420), (60, 2807649), (65, 2591676), (76, 2216565), (78, 2159730), (81, 2079740), (90, 1871766), (95, 1773252), (108, 1559805), (114, 1477710), (117, 1439820), (130, 1295838), (135, 1247844), (156, 1079865), (162, 1039870), (171, 985140), (180, 935883), (190, 886626), (195, 863892), (228, 738855), (234, 719910), (247, 682020), (260, 647919), (270, 623922), (285, 591084), (324, 519935), (342, 492570), (351, 479940), (380, 443313), (390, 431946), (405, 415948), (421, 400140), (468, 359955), (494, 341010), (513, 328380), (540, 311961), (570, 295542), (585, 287964), (684, 246285), (702, 239970), (741, 227340), (780, 215973), (810, 207974), (842, 200070), (855, 197028), (988, 170505), (1026, 164190), (1053, 159980), (1140, 147771), (1170, 143982), (1235, 136404), (1263, 133380), (1404, 119985), (1482, 113670), (1539, 109460), (1620, 103987), (1684, 100035), (1710, 98514), (1755, 95988), (2052, 82095), (2105, 80028), (2106, 79990), (2223, 75780), (2340, 71991), (2470, 68202), (2526, 66690), (2565, 65676), (2964, 56835), (3078, 54730), (3420, 49257), (3510, 47994), (3705, 45468), (3789, 44460), (4210, 40014), (4212, 39995), (4446, 37890), (4940, 34101), (5052, 33345), (5130, 32838), (5265, 31996), (5473, 30780), (6156, 27365), (6315, 26676), (6669, 25260), (7020, 23997), (7410, 22734), (7578, 22230), (7695, 21892), (7999, 21060), (8420, 20007), (8892, 18945), (10260, 16419), (10530, 15998), (10946, 15390), (11115, 15156), (11367, 14820), (12630, 13338)]