243321260

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{269}}^1$

素因数の和:376

約数の個数: 144

約数和(自身を含む): 651551040

約数和(自身を除く): 408229780

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 49, 52, 65, 70, 71, 91, 98, 130, 140, 142, 182, 196, 245, 260, 269, 284, 355, 364, 455, 490, 497, 538, 637, 710, 910, 923, 980, 994, 1076, 1274, 1345, 1420, 1820, 1846, 1883, 1988, 2485, 2548, 2690, 3185, 3479, 3497, 3692, 3766, 4615, 4970, 5380, 6370, 6461, 6958, 6994, 7532, 9230, 9415, 9940, 12740, 12922, 13181, 13916, 13988, 17395, 17485, 18460, 18830, 19099, 24479, 25844, 26362, 32305, 34790, 34970, 37660, 38198, 45227, 48958, 52724, 64610, 65905, 69580, 69940, 76396, 90454, 95495, 97916, 122395, 129220, 131810, 133693, 171353, 180908, 190990, 226135, 244790, 248287, 263620, 267386, 342706, 381980, 452270, 489580, 496574, 534772, 668465, 685412, 856765, 904540, 935851, 993148, 1241435, 1336930, 1713530, 1738009, 1871702, 2482870, 2673860, 3427060, 3476018, 3743404, 4679255, 4965740, 6952036, 8690045, 9358510, 12166063, 17380090, 18717020, 24332126, 34760180, 48664252, 60830315, 121660630, 243321260]

約数ペア:

[(1, 243321260), (2, 121660630), (4, 60830315), (5, 48664252), (7, 34760180), (10, 24332126), (13, 18717020), (14, 17380090), (20, 12166063), (26, 9358510), (28, 8690045), (35, 6952036), (49, 4965740), (52, 4679255), (65, 3743404), (70, 3476018), (71, 3427060), (91, 2673860), (98, 2482870), (130, 1871702), (140, 1738009), (142, 1713530), (182, 1336930), (196, 1241435), (245, 993148), (260, 935851), (269, 904540), (284, 856765), (355, 685412), (364, 668465), (455, 534772), (490, 496574), (497, 489580), (538, 452270), (637, 381980), (710, 342706), (910, 267386), (923, 263620), (980, 248287), (994, 244790), (1076, 226135), (1274, 190990), (1345, 180908), (1420, 171353), (1820, 133693), (1846, 131810), (1883, 129220), (1988, 122395), (2485, 97916), (2548, 95495), (2690, 90454), (3185, 76396), (3479, 69940), (3497, 69580), (3692, 65905), (3766, 64610), (4615, 52724), (4970, 48958), (5380, 45227), (6370, 38198), (6461, 37660), (6958, 34970), (6994, 34790), (7532, 32305), (9230, 26362), (9415, 25844), (9940, 24479), (12740, 19099), (12922, 18830), (13181, 18460), (13916, 17485), (13988, 17395)]