82198760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{191}}^1$

素因数の和:291

約数の個数: 128

約数和(自身を含む): 223948800

約数和(自身を除く): 141750040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 29, 35, 40, 53, 56, 58, 70, 106, 116, 140, 145, 191, 203, 212, 232, 265, 280, 290, 371, 382, 406, 424, 530, 580, 742, 764, 812, 955, 1015, 1060, 1160, 1337, 1484, 1528, 1537, 1624, 1855, 1910, 2030, 2120, 2674, 2968, 3074, 3710, 3820, 4060, 5348, 5539, 6148, 6685, 7420, 7640, 7685, 8120, 10123, 10696, 10759, 11078, 12296, 13370, 14840, 15370, 20246, 21518, 22156, 26740, 27695, 30740, 38773, 40492, 43036, 44312, 50615, 53480, 53795, 55390, 61480, 70861, 77546, 80984, 86072, 101230, 107590, 110780, 141722, 155092, 193865, 202460, 215180, 221560, 283444, 293567, 310184, 354305, 387730, 404920, 430360, 566888, 587134, 708610, 775460, 1174268, 1417220, 1467835, 1550920, 2054969, 2348536, 2834440, 2935670, 4109938, 5871340, 8219876, 10274845, 11742680, 16439752, 20549690, 41099380, 82198760]

約数ペア:

[(1, 82198760), (2, 41099380), (4, 20549690), (5, 16439752), (7, 11742680), (8, 10274845), (10, 8219876), (14, 5871340), (20, 4109938), (28, 2935670), (29, 2834440), (35, 2348536), (40, 2054969), (53, 1550920), (56, 1467835), (58, 1417220), (70, 1174268), (106, 775460), (116, 708610), (140, 587134), (145, 566888), (191, 430360), (203, 404920), (212, 387730), (232, 354305), (265, 310184), (280, 293567), (290, 283444), (371, 221560), (382, 215180), (406, 202460), (424, 193865), (530, 155092), (580, 141722), (742, 110780), (764, 107590), (812, 101230), (955, 86072), (1015, 80984), (1060, 77546), (1160, 70861), (1337, 61480), (1484, 55390), (1528, 53795), (1537, 53480), (1624, 50615), (1855, 44312), (1910, 43036), (2030, 40492), (2120, 38773), (2674, 30740), (2968, 27695), (3074, 26740), (3710, 22156), (3820, 21518), (4060, 20246), (5348, 15370), (5539, 14840), (6148, 13370), (6685, 12296), (7420, 11078), (7640, 10759), (7685, 10696), (8120, 10123)]