1921306140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{577}}^1\times {\mathrm{1423}}^1$

素因数の和:2028

約数の個数: 144

約数和(自身を含む): 6291562368

約数和(自身を除く): 4370256228

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 577, 585, 780, 1154, 1170, 1423, 1731, 2308, 2340, 2846, 2885, 3462, 4269, 5193, 5692, 5770, 6924, 7115, 7501, 8538, 8655, 10386, 11540, 12807, 14230, 15002, 17076, 17310, 18499, 20772, 21345, 22503, 25614, 25965, 28460, 30004, 34620, 36998, 37505, 42690, 45006, 51228, 51930, 55497, 64035, 67509, 73996, 75010, 85380, 90012, 92495, 103860, 110994, 112515, 128070, 135018, 150020, 166491, 184990, 221988, 225030, 256140, 270036, 277485, 332982, 337545, 369980, 450060, 554970, 665964, 675090, 821071, 832455, 1109940, 1350180, 1642142, 1664910, 2463213, 3284284, 3329820, 4105355, 4926426, 7389639, 8210710, 9852852, 10673923, 12316065, 14779278, 16421420, 21347846, 24632130, 29558556, 32021769, 36948195, 42695692, 49264260, 53369615, 64043538, 73896390, 96065307, 106739230, 128087076, 147792780, 160108845, 192130614, 213478460, 320217690, 384261228, 480326535, 640435380, 960653070, 1921306140]

約数ペア:

[(1, 1921306140), (2, 960653070), (3, 640435380), (4, 480326535), (5, 384261228), (6, 320217690), (9, 213478460), (10, 192130614), (12, 160108845), (13, 147792780), (15, 128087076), (18, 106739230), (20, 96065307), (26, 73896390), (30, 64043538), (36, 53369615), (39, 49264260), (45, 42695692), (52, 36948195), (60, 32021769), (65, 29558556), (78, 24632130), (90, 21347846), (117, 16421420), (130, 14779278), (156, 12316065), (180, 10673923), (195, 9852852), (234, 8210710), (260, 7389639), (390, 4926426), (468, 4105355), (577, 3329820), (585, 3284284), (780, 2463213), (1154, 1664910), (1170, 1642142), (1423, 1350180), (1731, 1109940), (2308, 832455), (2340, 821071), (2846, 675090), (2885, 665964), (3462, 554970), (4269, 450060), (5193, 369980), (5692, 337545), (5770, 332982), (6924, 277485), (7115, 270036), (7501, 256140), (8538, 225030), (8655, 221988), (10386, 184990), (11540, 166491), (12807, 150020), (14230, 135018), (15002, 128070), (17076, 112515), (17310, 110994), (18499, 103860), (20772, 92495), (21345, 90012), (22503, 85380), (25614, 75010), (25965, 73996), (28460, 67509), (30004, 64035), (34620, 55497), (36998, 51930), (37505, 51228), (42690, 45006)]