81554100

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{15991}}^1$

素因数の和:16025

約数の個数: 72

約数和(自身を含む): 249859008

約数和(自身を除く): 168304908

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 25, 30, 34, 50, 51, 60, 68, 75, 85, 100, 102, 150, 170, 204, 255, 300, 340, 425, 510, 850, 1020, 1275, 1700, 2550, 5100, 15991, 31982, 47973, 63964, 79955, 95946, 159910, 191892, 239865, 271847, 319820, 399775, 479730, 543694, 799550, 815541, 959460, 1087388, 1199325, 1359235, 1599100, 1631082, 2398650, 2718470, 3262164, 4077705, 4797300, 5436940, 6796175, 8155410, 13592350, 16310820, 20388525, 27184700, 40777050, 81554100]

約数ペア:

[(1, 81554100), (2, 40777050), (3, 27184700), (4, 20388525), (5, 16310820), (6, 13592350), (10, 8155410), (12, 6796175), (15, 5436940), (17, 4797300), (20, 4077705), (25, 3262164), (30, 2718470), (34, 2398650), (50, 1631082), (51, 1599100), (60, 1359235), (68, 1199325), (75, 1087388), (85, 959460), (100, 815541), (102, 799550), (150, 543694), (170, 479730), (204, 399775), (255, 319820), (300, 271847), (340, 239865), (425, 191892), (510, 159910), (850, 95946), (1020, 79955), (1275, 63964), (1700, 47973), (2550, 31982), (5100, 15991)]