205397520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{131}}^1\times {\mathrm{139}}^1$

素因数の和:333

約数の個数: 160

約数和(自身を含む): 659957760

約数和(自身を除く): 454560240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 47, 48, 60, 80, 94, 120, 131, 139, 141, 188, 235, 240, 262, 278, 282, 376, 393, 417, 470, 524, 556, 564, 655, 695, 705, 752, 786, 834, 940, 1048, 1112, 1128, 1310, 1390, 1410, 1572, 1668, 1880, 1965, 2085, 2096, 2224, 2256, 2620, 2780, 2820, 3144, 3336, 3760, 3930, 4170, 5240, 5560, 5640, 6157, 6288, 6533, 6672, 7860, 8340, 10480, 11120, 11280, 12314, 13066, 15720, 16680, 18209, 18471, 19599, 24628, 26132, 30785, 31440, 32665, 33360, 36418, 36942, 39198, 49256, 52264, 54627, 61570, 65330, 72836, 73884, 78396, 91045, 92355, 97995, 98512, 104528, 109254, 123140, 130660, 145672, 147768, 156792, 182090, 184710, 195990, 218508, 246280, 261320, 273135, 291344, 295536, 313584, 364180, 369420, 391980, 437016, 492560, 522640, 546270, 728360, 738840, 783960, 855823, 874032, 1092540, 1456720, 1477680, 1567920, 1711646, 2185080, 2567469, 3423292, 4279115, 4370160, 5134938, 6846584, 8558230, 10269876, 12837345, 13693168, 17116460, 20539752, 25674690, 34232920, 41079504, 51349380, 68465840, 102698760, 205397520]

約数ペア:

[(1, 205397520), (2, 102698760), (3, 68465840), (4, 51349380), (5, 41079504), (6, 34232920), (8, 25674690), (10, 20539752), (12, 17116460), (15, 13693168), (16, 12837345), (20, 10269876), (24, 8558230), (30, 6846584), (40, 5134938), (47, 4370160), (48, 4279115), (60, 3423292), (80, 2567469), (94, 2185080), (120, 1711646), (131, 1567920), (139, 1477680), (141, 1456720), (188, 1092540), (235, 874032), (240, 855823), (262, 783960), (278, 738840), (282, 728360), (376, 546270), (393, 522640), (417, 492560), (470, 437016), (524, 391980), (556, 369420), (564, 364180), (655, 313584), (695, 295536), (705, 291344), (752, 273135), (786, 261320), (834, 246280), (940, 218508), (1048, 195990), (1112, 184710), (1128, 182090), (1310, 156792), (1390, 147768), (1410, 145672), (1572, 130660), (1668, 123140), (1880, 109254), (1965, 104528), (2085, 98512), (2096, 97995), (2224, 92355), (2256, 91045), (2620, 78396), (2780, 73884), (2820, 72836), (3144, 65330), (3336, 61570), (3760, 54627), (3930, 52264), (4170, 49256), (5240, 39198), (5560, 36942), (5640, 36418), (6157, 33360), (6288, 32665), (6533, 31440), (6672, 30785), (7860, 26132), (8340, 24628), (10480, 19599), (11120, 18471), (11280, 18209), (12314, 16680), (13066, 15720)]