643889100

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{1361}}^1$

素因数の和:1480

約数の個数: 144

約数和(自身を含む): 1986122880

約数和(自身を除く): 1342233780

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 25, 30, 38, 50, 57, 60, 75, 76, 83, 95, 100, 114, 150, 166, 190, 228, 249, 285, 300, 332, 380, 415, 475, 498, 570, 830, 950, 996, 1140, 1245, 1361, 1425, 1577, 1660, 1900, 2075, 2490, 2722, 2850, 3154, 4083, 4150, 4731, 4980, 5444, 5700, 6225, 6308, 6805, 7885, 8166, 8300, 9462, 12450, 13610, 15770, 16332, 18924, 20415, 23655, 24900, 25859, 27220, 31540, 34025, 39425, 40830, 47310, 51718, 68050, 77577, 78850, 81660, 94620, 102075, 103436, 112963, 118275, 129295, 136100, 155154, 157700, 204150, 225926, 236550, 258590, 310308, 338889, 387885, 408300, 451852, 473100, 517180, 564815, 646475, 677778, 775770, 1129630, 1292950, 1355556, 1551540, 1694445, 1939425, 2146297, 2259260, 2585900, 2824075, 3388890, 3878850, 4292594, 5648150, 6438891, 6777780, 7757700, 8472225, 8585188, 10731485, 11296300, 12877782, 16944450, 21462970, 25755564, 32194455, 33888900, 42925940, 53657425, 64388910, 107314850, 128777820, 160972275, 214629700, 321944550, 643889100]

約数ペア:

[(1, 643889100), (2, 321944550), (3, 214629700), (4, 160972275), (5, 128777820), (6, 107314850), (10, 64388910), (12, 53657425), (15, 42925940), (19, 33888900), (20, 32194455), (25, 25755564), (30, 21462970), (38, 16944450), (50, 12877782), (57, 11296300), (60, 10731485), (75, 8585188), (76, 8472225), (83, 7757700), (95, 6777780), (100, 6438891), (114, 5648150), (150, 4292594), (166, 3878850), (190, 3388890), (228, 2824075), (249, 2585900), (285, 2259260), (300, 2146297), (332, 1939425), (380, 1694445), (415, 1551540), (475, 1355556), (498, 1292950), (570, 1129630), (830, 775770), (950, 677778), (996, 646475), (1140, 564815), (1245, 517180), (1361, 473100), (1425, 451852), (1577, 408300), (1660, 387885), (1900, 338889), (2075, 310308), (2490, 258590), (2722, 236550), (2850, 225926), (3154, 204150), (4083, 157700), (4150, 155154), (4731, 136100), (4980, 129295), (5444, 118275), (5700, 112963), (6225, 103436), (6308, 102075), (6805, 94620), (7885, 81660), (8166, 78850), (8300, 77577), (9462, 68050), (12450, 51718), (13610, 47310), (15770, 40830), (16332, 39425), (18924, 34025), (20415, 31540), (23655, 27220), (24900, 25859)]