28106786120

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{27211}}^1$

素因数の和:27284

約数の個数: 192

約数和(自身を含む): 80408194560

約数和(自身を除く): 52301408440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 31, 34, 35, 40, 49, 56, 62, 68, 70, 85, 98, 119, 124, 136, 140, 155, 170, 196, 217, 238, 245, 248, 280, 310, 340, 392, 434, 476, 490, 527, 595, 620, 680, 833, 868, 952, 980, 1054, 1085, 1190, 1240, 1519, 1666, 1736, 1960, 2108, 2170, 2380, 2635, 3038, 3332, 3689, 4165, 4216, 4340, 4760, 5270, 6076, 6664, 7378, 7595, 8330, 8680, 10540, 12152, 14756, 15190, 16660, 18445, 21080, 25823, 27211, 29512, 30380, 33320, 36890, 51646, 54422, 60760, 73780, 103292, 108844, 129115, 136055, 147560, 190477, 206584, 217688, 258230, 272110, 380954, 462587, 516460, 544220, 761908, 843541, 925174, 952385, 1032920, 1088440, 1333339, 1523816, 1687082, 1850348, 1904770, 2312935, 2666678, 3238109, 3374164, 3700696, 3809540, 4217705, 4625870, 5333356, 5904787, 6476218, 6666695, 6748328, 7619080, 8435410, 9251740, 10666712, 11809574, 12952436, 13333390, 14340197, 16190545, 16870820, 18503480, 22666763, 23619148, 25904872, 26666780, 28680394, 29523935, 32381090, 33741640, 41333509, 45333526, 47238296, 53333560, 57360788, 59047870, 64762180, 71700985, 82667018, 90667052, 100381379, 113333815, 114721576, 118095740, 129524360, 143401970, 165334036, 181334104, 200762758, 206667545, 226667630, 236191480, 286803940, 330668072, 401525516, 413335090, 453335260, 501906895, 573607880, 702669653, 803051032, 826670180, 906670520, 1003813790, 1405339306, 1653340360, 2007627580, 2810678612, 3513348265, 4015255160, 5621357224, 7026696530, 14053393060, 28106786120]

約数ペア:

[(1, 28106786120), (2, 14053393060), (4, 7026696530), (5, 5621357224), (7, 4015255160), (8, 3513348265), (10, 2810678612), (14, 2007627580), (17, 1653340360), (20, 1405339306), (28, 1003813790), (31, 906670520), (34, 826670180), (35, 803051032), (40, 702669653), (49, 573607880), (56, 501906895), (62, 453335260), (68, 413335090), (70, 401525516), (85, 330668072), (98, 286803940), (119, 236191480), (124, 226667630), (136, 206667545), (140, 200762758), (155, 181334104), (170, 165334036), (196, 143401970), (217, 129524360), (238, 118095740), (245, 114721576), (248, 113333815), (280, 100381379), (310, 90667052), (340, 82667018), (392, 71700985), (434, 64762180), (476, 59047870), (490, 57360788), (527, 53333560), (595, 47238296), (620, 45333526), (680, 41333509), (833, 33741640), (868, 32381090), (952, 29523935), (980, 28680394), (1054, 26666780), (1085, 25904872), (1190, 23619148), (1240, 22666763), (1519, 18503480), (1666, 16870820), (1736, 16190545), (1960, 14340197), (2108, 13333390), (2170, 12952436), (2380, 11809574), (2635, 10666712), (3038, 9251740), (3332, 8435410), (3689, 7619080), (4165, 6748328), (4216, 6666695), (4340, 6476218), (4760, 5904787), (5270, 5333356), (6076, 4625870), (6664, 4217705), (7378, 3809540), (7595, 3700696), (8330, 3374164), (8680, 3238109), (10540, 2666678), (12152, 2312935), (14756, 1904770), (15190, 1850348), (16660, 1687082), (18445, 1523816), (21080, 1333339), (25823, 1088440), (27211, 1032920), (29512, 952385), (30380, 925174), (33320, 843541), (36890, 761908), (51646, 544220), (54422, 516460), (60760, 462587), (73780, 380954), (103292, 272110), (108844, 258230), (129115, 217688), (136055, 206584), (147560, 190477)]