81276420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{1181}}^1$

素因数の和:1261

約数の個数: 96

約数和(自身を含む): 241468416

約数和(自身を除く): 160191996

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 37, 60, 62, 74, 93, 111, 124, 148, 155, 185, 186, 222, 310, 370, 372, 444, 465, 555, 620, 740, 930, 1110, 1147, 1181, 1860, 2220, 2294, 2362, 3441, 3543, 4588, 4724, 5735, 5905, 6882, 7086, 11470, 11810, 13764, 14172, 17205, 17715, 22940, 23620, 34410, 35430, 36611, 43697, 68820, 70860, 73222, 87394, 109833, 131091, 146444, 174788, 183055, 218485, 219666, 262182, 366110, 436970, 439332, 524364, 549165, 655455, 732220, 873940, 1098330, 1310910, 1354607, 2196660, 2621820, 2709214, 4063821, 5418428, 6773035, 8127642, 13546070, 16255284, 20319105, 27092140, 40638210, 81276420]

約数ペア:

[(1, 81276420), (2, 40638210), (3, 27092140), (4, 20319105), (5, 16255284), (6, 13546070), (10, 8127642), (12, 6773035), (15, 5418428), (20, 4063821), (30, 2709214), (31, 2621820), (37, 2196660), (60, 1354607), (62, 1310910), (74, 1098330), (93, 873940), (111, 732220), (124, 655455), (148, 549165), (155, 524364), (185, 439332), (186, 436970), (222, 366110), (310, 262182), (370, 219666), (372, 218485), (444, 183055), (465, 174788), (555, 146444), (620, 131091), (740, 109833), (930, 87394), (1110, 73222), (1147, 70860), (1181, 68820), (1860, 43697), (2220, 36611), (2294, 35430), (2362, 34410), (3441, 23620), (3543, 22940), (4588, 17715), (4724, 17205), (5735, 14172), (5905, 13764), (6882, 11810), (7086, 11470)]