216880960

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{21863}}^1$

素因数の和:21911

約数の個数: 56

約数和(自身を含む): 533131776

約数和(自身を除く): 316250816

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 155, 160, 248, 310, 320, 496, 620, 992, 1240, 1984, 2480, 4960, 9920, 21863, 43726, 87452, 109315, 174904, 218630, 349808, 437260, 677753, 699616, 874520, 1355506, 1399232, 1749040, 2711012, 3388765, 3498080, 5422024, 6777530, 6996160, 10844048, 13555060, 21688096, 27110120, 43376192, 54220240, 108440480, 216880960]

約数ペア:

[(1, 216880960), (2, 108440480), (4, 54220240), (5, 43376192), (8, 27110120), (10, 21688096), (16, 13555060), (20, 10844048), (31, 6996160), (32, 6777530), (40, 5422024), (62, 3498080), (64, 3388765), (80, 2711012), (124, 1749040), (155, 1399232), (160, 1355506), (248, 874520), (310, 699616), (320, 677753), (496, 437260), (620, 349808), (992, 218630), (1240, 174904), (1984, 109315), (2480, 87452), (4960, 43726), (9920, 21863)]