28376641875

素因数分解:

$3^1\times 5^4\times {\mathrm{127}}^1\times {\mathrm{269}}^1\times {\mathrm{443}}^1$

素因数の和:862

約数の個数: 80

約数和(自身を含む): 47936655360

約数和(自身を除く): 19560013485

約数列:

[1, 3, 5, 15, 25, 75, 125, 127, 269, 375, 381, 443, 625, 635, 807, 1329, 1345, 1875, 1905, 2215, 3175, 4035, 6645, 6725, 9525, 11075, 15875, 20175, 33225, 33625, 34163, 47625, 55375, 56261, 79375, 100875, 102489, 119167, 166125, 168125, 168783, 170815, 238125, 276875, 281305, 357501, 504375, 512445, 595835, 830625, 843915, 854075, 1406525, 1787505, 2562225, 2979175, 4219575, 4270375, 7032625, 8937525, 12811125, 14895875, 15134209, 21097875, 21351875, 35163125, 44687625, 45402627, 64055625, 74479375, 75671045, 105489375, 223438125, 227013135, 378355225, 1135065675, 1891776125, 5675328375, 9458880625, 28376641875]

約数ペア:

[(1, 28376641875), (3, 9458880625), (5, 5675328375), (15, 1891776125), (25, 1135065675), (75, 378355225), (125, 227013135), (127, 223438125), (269, 105489375), (375, 75671045), (381, 74479375), (443, 64055625), (625, 45402627), (635, 44687625), (807, 35163125), (1329, 21351875), (1345, 21097875), (1875, 15134209), (1905, 14895875), (2215, 12811125), (3175, 8937525), (4035, 7032625), (6645, 4270375), (6725, 4219575), (9525, 2979175), (11075, 2562225), (15875, 1787505), (20175, 1406525), (33225, 854075), (33625, 843915), (34163, 830625), (47625, 595835), (55375, 512445), (56261, 504375), (79375, 357501), (100875, 281305), (102489, 276875), (119167, 238125), (166125, 170815), (168125, 168783)]