647505040

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{3067}}^1$

素因数の和:3129

約数の個数: 160

約数和(自身を含む): 1917377280

約数和(自身を除く): 1269872240

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 29, 35, 40, 52, 56, 58, 65, 70, 80, 91, 104, 112, 116, 130, 140, 145, 182, 203, 208, 232, 260, 280, 290, 364, 377, 406, 455, 464, 520, 560, 580, 728, 754, 812, 910, 1015, 1040, 1160, 1456, 1508, 1624, 1820, 1885, 2030, 2320, 2639, 3016, 3067, 3248, 3640, 3770, 4060, 5278, 6032, 6134, 7280, 7540, 8120, 10556, 12268, 13195, 15080, 15335, 16240, 21112, 21469, 24536, 26390, 30160, 30670, 39871, 42224, 42938, 49072, 52780, 61340, 79742, 85876, 88943, 105560, 107345, 122680, 159484, 171752, 177886, 199355, 211120, 214690, 245360, 279097, 318968, 343504, 355772, 398710, 429380, 444715, 558194, 622601, 637936, 711544, 797420, 858760, 889430, 1116388, 1156259, 1245202, 1395485, 1423088, 1594840, 1717520, 1778860, 2232776, 2312518, 2490404, 2790970, 3113005, 3189680, 3557720, 4465552, 4625036, 4980808, 5581940, 5781295, 6226010, 7115440, 8093813, 9250072, 9961616, 11163880, 11562590, 12452020, 16187626, 18500144, 22327760, 23125180, 24904040, 32375252, 40469065, 46250360, 49808080, 64750504, 80938130, 92500720, 129501008, 161876260, 323752520, 647505040]

約数ペア:

[(1, 647505040), (2, 323752520), (4, 161876260), (5, 129501008), (7, 92500720), (8, 80938130), (10, 64750504), (13, 49808080), (14, 46250360), (16, 40469065), (20, 32375252), (26, 24904040), (28, 23125180), (29, 22327760), (35, 18500144), (40, 16187626), (52, 12452020), (56, 11562590), (58, 11163880), (65, 9961616), (70, 9250072), (80, 8093813), (91, 7115440), (104, 6226010), (112, 5781295), (116, 5581940), (130, 4980808), (140, 4625036), (145, 4465552), (182, 3557720), (203, 3189680), (208, 3113005), (232, 2790970), (260, 2490404), (280, 2312518), (290, 2232776), (364, 1778860), (377, 1717520), (406, 1594840), (455, 1423088), (464, 1395485), (520, 1245202), (560, 1156259), (580, 1116388), (728, 889430), (754, 858760), (812, 797420), (910, 711544), (1015, 637936), (1040, 622601), (1160, 558194), (1456, 444715), (1508, 429380), (1624, 398710), (1820, 355772), (1885, 343504), (2030, 318968), (2320, 279097), (2639, 245360), (3016, 214690), (3067, 211120), (3248, 199355), (3640, 177886), (3770, 171752), (4060, 159484), (5278, 122680), (6032, 107345), (6134, 105560), (7280, 88943), (7540, 85876), (8120, 79742), (10556, 61340), (12268, 52780), (13195, 49072), (15080, 42938), (15335, 42224), (16240, 39871), (21112, 30670), (21469, 30160), (24536, 26390)]