180311425

素因数分解:

$5^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1$

素因数の和:231

約数の個数: 72

約数和(自身を含む): 280458240

約数和(自身を除く): 100146815

約数列:

[1, 5, 7, 19, 25, 35, 49, 61, 95, 127, 133, 175, 245, 305, 427, 475, 635, 665, 889, 931, 1159, 1225, 1525, 2135, 2413, 2989, 3175, 3325, 4445, 4655, 5795, 6223, 7747, 8113, 10675, 12065, 14945, 16891, 22225, 23275, 28975, 31115, 38735, 40565, 54229, 56791, 60325, 74725, 84455, 118237, 147193, 155575, 193675, 202825, 271145, 283955, 379603, 422275, 591185, 735965, 1030351, 1355725, 1419775, 1898015, 2955925, 3679825, 5151755, 7212457, 9490075, 25758775, 36062285, 180311425]

約数ペア:

[(1, 180311425), (5, 36062285), (7, 25758775), (19, 9490075), (25, 7212457), (35, 5151755), (49, 3679825), (61, 2955925), (95, 1898015), (127, 1419775), (133, 1355725), (175, 1030351), (245, 735965), (305, 591185), (427, 422275), (475, 379603), (635, 283955), (665, 271145), (889, 202825), (931, 193675), (1159, 155575), (1225, 147193), (1525, 118237), (2135, 84455), (2413, 74725), (2989, 60325), (3175, 56791), (3325, 54229), (4445, 40565), (4655, 38735), (5795, 31115), (6223, 28975), (7747, 23275), (8113, 22225), (10675, 16891), (12065, 14945)]