28076490

素因数分解:

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

素因数の和:469

約数の個数: 128

約数和(自身を含む): 85075200

約数和(自身を除く): 56998710

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 19, 26, 27, 30, 38, 39, 45, 54, 57, 65, 78, 90, 95, 114, 117, 130, 135, 171, 190, 195, 234, 247, 270, 285, 342, 351, 390, 421, 494, 513, 570, 585, 702, 741, 842, 855, 1026, 1170, 1235, 1263, 1482, 1710, 1755, 2105, 2223, 2470, 2526, 2565, 3510, 3705, 3789, 4210, 4446, 5130, 5473, 6315, 6669, 7410, 7578, 7999, 10946, 11115, 11367, 12630, 13338, 15998, 16419, 18945, 22230, 22734, 23997, 27365, 32838, 33345, 37890, 39995, 47994, 49257, 54730, 56835, 66690, 71991, 79990, 82095, 98514, 103987, 113670, 119985, 143982, 147771, 164190, 207974, 215973, 239970, 246285, 295542, 311961, 359955, 431946, 492570, 519935, 623922, 719910, 738855, 935883, 1039870, 1079865, 1477710, 1559805, 1871766, 2159730, 2807649, 3119610, 4679415, 5615298, 9358830, 14038245, 28076490]

約数ペア:

[(1, 28076490), (2, 14038245), (3, 9358830), (5, 5615298), (6, 4679415), (9, 3119610), (10, 2807649), (13, 2159730), (15, 1871766), (18, 1559805), (19, 1477710), (26, 1079865), (27, 1039870), (30, 935883), (38, 738855), (39, 719910), (45, 623922), (54, 519935), (57, 492570), (65, 431946), (78, 359955), (90, 311961), (95, 295542), (114, 246285), (117, 239970), (130, 215973), (135, 207974), (171, 164190), (190, 147771), (195, 143982), (234, 119985), (247, 113670), (270, 103987), (285, 98514), (342, 82095), (351, 79990), (390, 71991), (421, 66690), (494, 56835), (513, 54730), (570, 49257), (585, 47994), (702, 39995), (741, 37890), (842, 33345), (855, 32838), (1026, 27365), (1170, 23997), (1235, 22734), (1263, 22230), (1482, 18945), (1710, 16419), (1755, 15998), (2105, 13338), (2223, 12630), (2470, 11367), (2526, 11115), (2565, 10946), (3510, 7999), (3705, 7578), (3789, 7410), (4210, 6669), (4446, 6315), (5130, 5473)]