2181300

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{661}}^1$

素因数の和:689

約数の個数: 72

約数和(自身を含む): 6895392

約数和(自身を除く): 4714092

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 25, 30, 33, 44, 50, 55, 60, 66, 75, 100, 110, 132, 150, 165, 220, 275, 300, 330, 550, 660, 661, 825, 1100, 1322, 1650, 1983, 2644, 3300, 3305, 3966, 6610, 7271, 7932, 9915, 13220, 14542, 16525, 19830, 21813, 29084, 33050, 36355, 39660, 43626, 49575, 66100, 72710, 87252, 99150, 109065, 145420, 181775, 198300, 218130, 363550, 436260, 545325, 727100, 1090650, 2181300]

約数ペア:

[(1, 2181300), (2, 1090650), (3, 727100), (4, 545325), (5, 436260), (6, 363550), (10, 218130), (11, 198300), (12, 181775), (15, 145420), (20, 109065), (22, 99150), (25, 87252), (30, 72710), (33, 66100), (44, 49575), (50, 43626), (55, 39660), (60, 36355), (66, 33050), (75, 29084), (100, 21813), (110, 19830), (132, 16525), (150, 14542), (165, 13220), (220, 9915), (275, 7932), (300, 7271), (330, 6610), (550, 3966), (660, 3305), (661, 3300), (825, 2644), (1100, 1983), (1322, 1650)]