280872687680

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2177983}}^1$

素因数の和:2178044

約数の個数: 112

約数和(自身を含む): 743511465984

約数和(自身を除く): 462638778304

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 62, 64, 65, 80, 104, 124, 130, 155, 160, 208, 248, 260, 310, 320, 403, 416, 496, 520, 620, 806, 832, 992, 1040, 1240, 1612, 1984, 2015, 2080, 2480, 3224, 4030, 4160, 4960, 6448, 8060, 9920, 12896, 16120, 25792, 32240, 64480, 128960, 2177983, 4355966, 8711932, 10889915, 17423864, 21779830, 28313779, 34847728, 43559660, 56627558, 67517473, 69695456, 87119320, 113255116, 135034946, 139390912, 141568895, 174238640, 226510232, 270069892, 283137790, 337587365, 348477280, 453020464, 540139784, 566275580, 675174730, 696954560, 877727149, 906040928, 1080279568, 1132551160, 1350349460, 1755454298, 1812081856, 2160559136, 2265102320, 2700698920, 3510908596, 4321118272, 4388635745, 4530204640, 5401397840, 7021817192, 8777271490, 9060409280, 10802795680, 14043634384, 17554542980, 21605591360, 28087268768, 35109085960, 56174537536, 70218171920, 140436343840, 280872687680]

約数ペア:

[(1, 280872687680), (2, 140436343840), (4, 70218171920), (5, 56174537536), (8, 35109085960), (10, 28087268768), (13, 21605591360), (16, 17554542980), (20, 14043634384), (26, 10802795680), (31, 9060409280), (32, 8777271490), (40, 7021817192), (52, 5401397840), (62, 4530204640), (64, 4388635745), (65, 4321118272), (80, 3510908596), (104, 2700698920), (124, 2265102320), (130, 2160559136), (155, 1812081856), (160, 1755454298), (208, 1350349460), (248, 1132551160), (260, 1080279568), (310, 906040928), (320, 877727149), (403, 696954560), (416, 675174730), (496, 566275580), (520, 540139784), (620, 453020464), (806, 348477280), (832, 337587365), (992, 283137790), (1040, 270069892), (1240, 226510232), (1612, 174238640), (1984, 141568895), (2015, 139390912), (2080, 135034946), (2480, 113255116), (3224, 87119320), (4030, 69695456), (4160, 67517473), (4960, 56627558), (6448, 43559660), (8060, 34847728), (9920, 28313779), (12896, 21779830), (16120, 17423864), (25792, 10889915), (32240, 8711932), (64480, 4355966), (128960, 2177983)]