1217640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{139}}^1$

素因数の和:226

約数の個数: 64

約数和(自身を含む): 3729600

約数和(自身を除く): 2511960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 73, 120, 139, 146, 219, 278, 292, 365, 417, 438, 556, 584, 695, 730, 834, 876, 1095, 1112, 1390, 1460, 1668, 1752, 2085, 2190, 2780, 2920, 3336, 4170, 4380, 5560, 8340, 8760, 10147, 16680, 20294, 30441, 40588, 50735, 60882, 81176, 101470, 121764, 152205, 202940, 243528, 304410, 405880, 608820, 1217640]

約数ペア:

[(1, 1217640), (2, 608820), (3, 405880), (4, 304410), (5, 243528), (6, 202940), (8, 152205), (10, 121764), (12, 101470), (15, 81176), (20, 60882), (24, 50735), (30, 40588), (40, 30441), (60, 20294), (73, 16680), (120, 10147), (139, 8760), (146, 8340), (219, 5560), (278, 4380), (292, 4170), (365, 3336), (417, 2920), (438, 2780), (556, 2190), (584, 2085), (695, 1752), (730, 1668), (834, 1460), (876, 1390), (1095, 1112)]