81533550

素因数分解:

$2^1\times 3^1\times 5^2\times 7^2\times {\mathrm{11093}}^1$

素因数の和:11122

約数の個数: 72

約数和(自身を含む): 235237176

約数和(自身を除く): 153703626

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 25, 30, 35, 42, 49, 50, 70, 75, 98, 105, 147, 150, 175, 210, 245, 294, 350, 490, 525, 735, 1050, 1225, 1470, 2450, 3675, 7350, 11093, 22186, 33279, 55465, 66558, 77651, 110930, 155302, 166395, 232953, 277325, 332790, 388255, 465906, 543557, 554650, 776510, 831975, 1087114, 1164765, 1630671, 1663950, 1941275, 2329530, 2717785, 3261342, 3882550, 5435570, 5823825, 8153355, 11647650, 13588925, 16306710, 27177850, 40766775, 81533550]

約数ペア:

[(1, 81533550), (2, 40766775), (3, 27177850), (5, 16306710), (6, 13588925), (7, 11647650), (10, 8153355), (14, 5823825), (15, 5435570), (21, 3882550), (25, 3261342), (30, 2717785), (35, 2329530), (42, 1941275), (49, 1663950), (50, 1630671), (70, 1164765), (75, 1087114), (98, 831975), (105, 776510), (147, 554650), (150, 543557), (175, 465906), (210, 388255), (245, 332790), (294, 277325), (350, 232953), (490, 166395), (525, 155302), (735, 110930), (1050, 77651), (1225, 66558), (1470, 55465), (2450, 33279), (3675, 22186), (7350, 11093)]