20512363500

素因数分解:

$2^2\times 3^2\times 5^3\times {\mathrm{659}}^1\times {\mathrm{6917}}^1$

素因数の和:7601

約数の個数: 144

約数和(自身を含む): 64817232480

約数和(自身を除く): 44304868980

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 75, 90, 100, 125, 150, 180, 225, 250, 300, 375, 450, 500, 659, 750, 900, 1125, 1318, 1500, 1977, 2250, 2636, 3295, 3954, 4500, 5931, 6590, 6917, 7908, 9885, 11862, 13180, 13834, 16475, 19770, 20751, 23724, 27668, 29655, 32950, 34585, 39540, 41502, 49425, 59310, 62253, 65900, 69170, 82375, 83004, 98850, 103755, 118620, 124506, 138340, 148275, 164750, 172925, 197700, 207510, 247125, 249012, 296550, 311265, 329500, 345850, 415020, 494250, 518775, 593100, 622530, 691700, 741375, 864625, 988500, 1037550, 1245060, 1482750, 1556325, 1729250, 2075100, 2593875, 2965500, 3112650, 3458500, 4558303, 5187750, 6225300, 7781625, 9116606, 10375500, 13674909, 15563250, 18233212, 22791515, 27349818, 31126500, 41024727, 45583030, 54699636, 68374545, 82049454, 91166060, 113957575, 136749090, 164098908, 205123635, 227915150, 273498180, 341872725, 410247270, 455830300, 569787875, 683745450, 820494540, 1025618175, 1139575750, 1367490900, 1709363625, 2051236350, 2279151500, 3418727250, 4102472700, 5128090875, 6837454500, 10256181750, 20512363500]

約数ペア:

[(1, 20512363500), (2, 10256181750), (3, 6837454500), (4, 5128090875), (5, 4102472700), (6, 3418727250), (9, 2279151500), (10, 2051236350), (12, 1709363625), (15, 1367490900), (18, 1139575750), (20, 1025618175), (25, 820494540), (30, 683745450), (36, 569787875), (45, 455830300), (50, 410247270), (60, 341872725), (75, 273498180), (90, 227915150), (100, 205123635), (125, 164098908), (150, 136749090), (180, 113957575), (225, 91166060), (250, 82049454), (300, 68374545), (375, 54699636), (450, 45583030), (500, 41024727), (659, 31126500), (750, 27349818), (900, 22791515), (1125, 18233212), (1318, 15563250), (1500, 13674909), (1977, 10375500), (2250, 9116606), (2636, 7781625), (3295, 6225300), (3954, 5187750), (4500, 4558303), (5931, 3458500), (6590, 3112650), (6917, 2965500), (7908, 2593875), (9885, 2075100), (11862, 1729250), (13180, 1556325), (13834, 1482750), (16475, 1245060), (19770, 1037550), (20751, 988500), (23724, 864625), (27668, 741375), (29655, 691700), (32950, 622530), (34585, 593100), (39540, 518775), (41502, 494250), (49425, 415020), (59310, 345850), (62253, 329500), (65900, 311265), (69170, 296550), (82375, 249012), (83004, 247125), (98850, 207510), (103755, 197700), (118620, 172925), (124506, 164750), (138340, 148275)]