81475650

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{331}}^1\times {\mathrm{547}}^1$

素因数の和:896

約数の個数: 72

約数和(自身を含む): 219960624

約数和(自身を除く): 138484974

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 45, 50, 75, 90, 150, 225, 331, 450, 547, 662, 993, 1094, 1641, 1655, 1986, 2735, 2979, 3282, 3310, 4923, 4965, 5470, 5958, 8205, 8275, 9846, 9930, 13675, 14895, 16410, 16550, 24615, 24825, 27350, 29790, 41025, 49230, 49650, 74475, 82050, 123075, 148950, 181057, 246150, 362114, 543171, 905285, 1086342, 1629513, 1810570, 2715855, 3259026, 4526425, 5431710, 8147565, 9052850, 13579275, 16295130, 27158550, 40737825, 81475650]

約数ペア:

[(1, 81475650), (2, 40737825), (3, 27158550), (5, 16295130), (6, 13579275), (9, 9052850), (10, 8147565), (15, 5431710), (18, 4526425), (25, 3259026), (30, 2715855), (45, 1810570), (50, 1629513), (75, 1086342), (90, 905285), (150, 543171), (225, 362114), (331, 246150), (450, 181057), (547, 148950), (662, 123075), (993, 82050), (1094, 74475), (1641, 49650), (1655, 49230), (1986, 41025), (2735, 29790), (2979, 27350), (3282, 24825), (3310, 24615), (4923, 16550), (4965, 16410), (5470, 14895), (5958, 13675), (8205, 9930), (8275, 9846)]