1640356740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{673}}^1\times {\mathrm{1231}}^1$

素因数の和:1930

約数の個数: 144

約数和(自身を含む): 5440571136

約数和(自身を除く): 3800214396

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 673, 990, 1231, 1346, 1980, 2019, 2462, 2692, 3365, 3693, 4038, 4924, 6057, 6155, 6730, 7386, 7403, 8076, 10095, 11079, 12114, 12310, 13460, 13541, 14772, 14806, 18465, 20190, 22158, 22209, 24228, 24620, 27082, 29612, 30285, 36930, 37015, 40380, 40623, 44316, 44418, 54164, 55395, 60570, 66627, 67705, 73860, 74030, 81246, 88836, 110790, 111045, 121140, 121869, 133254, 135410, 148060, 162492, 203115, 221580, 222090, 243738, 266508, 270820, 333135, 406230, 444180, 487476, 609345, 666270, 812460, 828463, 1218690, 1332540, 1656926, 2437380, 2485389, 3313852, 4142315, 4970778, 7456167, 8284630, 9113093, 9941556, 12426945, 14912334, 16569260, 18226186, 24853890, 27339279, 29824668, 36452372, 37280835, 45565465, 49707780, 54678558, 74561670, 82017837, 91130930, 109357116, 136696395, 149123340, 164035674, 182261860, 273392790, 328071348, 410089185, 546785580, 820178370, 1640356740]

約数ペア:

[(1, 1640356740), (2, 820178370), (3, 546785580), (4, 410089185), (5, 328071348), (6, 273392790), (9, 182261860), (10, 164035674), (11, 149123340), (12, 136696395), (15, 109357116), (18, 91130930), (20, 82017837), (22, 74561670), (30, 54678558), (33, 49707780), (36, 45565465), (44, 37280835), (45, 36452372), (55, 29824668), (60, 27339279), (66, 24853890), (90, 18226186), (99, 16569260), (110, 14912334), (132, 12426945), (165, 9941556), (180, 9113093), (198, 8284630), (220, 7456167), (330, 4970778), (396, 4142315), (495, 3313852), (660, 2485389), (673, 2437380), (990, 1656926), (1231, 1332540), (1346, 1218690), (1980, 828463), (2019, 812460), (2462, 666270), (2692, 609345), (3365, 487476), (3693, 444180), (4038, 406230), (4924, 333135), (6057, 270820), (6155, 266508), (6730, 243738), (7386, 222090), (7403, 221580), (8076, 203115), (10095, 162492), (11079, 148060), (12114, 135410), (12310, 133254), (13460, 121869), (13541, 121140), (14772, 111045), (14806, 110790), (18465, 88836), (20190, 81246), (22158, 74030), (22209, 73860), (24228, 67705), (24620, 66627), (27082, 60570), (29612, 55395), (30285, 54164), (36930, 44418), (37015, 44316), (40380, 40623)]