28355460

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{181}}^1\times {\mathrm{373}}^1$

素因数の和:573

約数の個数: 96

約数和(自身を含む): 91483392

約数和(自身を除く): 63127932

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 181, 210, 362, 373, 420, 543, 724, 746, 905, 1086, 1119, 1267, 1492, 1810, 1865, 2172, 2238, 2534, 2611, 2715, 3620, 3730, 3801, 4476, 5068, 5222, 5430, 5595, 6335, 7460, 7602, 7833, 10444, 10860, 11190, 12670, 13055, 15204, 15666, 19005, 22380, 25340, 26110, 31332, 38010, 39165, 52220, 67513, 76020, 78330, 135026, 156660, 202539, 270052, 337565, 405078, 472591, 675130, 810156, 945182, 1012695, 1350260, 1417773, 1890364, 2025390, 2362955, 2835546, 4050780, 4725910, 5671092, 7088865, 9451820, 14177730, 28355460]

約数ペア:

[(1, 28355460), (2, 14177730), (3, 9451820), (4, 7088865), (5, 5671092), (6, 4725910), (7, 4050780), (10, 2835546), (12, 2362955), (14, 2025390), (15, 1890364), (20, 1417773), (21, 1350260), (28, 1012695), (30, 945182), (35, 810156), (42, 675130), (60, 472591), (70, 405078), (84, 337565), (105, 270052), (140, 202539), (181, 156660), (210, 135026), (362, 78330), (373, 76020), (420, 67513), (543, 52220), (724, 39165), (746, 38010), (905, 31332), (1086, 26110), (1119, 25340), (1267, 22380), (1492, 19005), (1810, 15666), (1865, 15204), (2172, 13055), (2238, 12670), (2534, 11190), (2611, 10860), (2715, 10444), (3620, 7833), (3730, 7602), (3801, 7460), (4476, 6335), (5068, 5595), (5222, 5430)]