638521680

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{853}}^1\times {\mathrm{3119}}^1$

素因数の和:3988

約数の個数: 80

約数和(自身を含む): 1982373120

約数和(自身を除く): 1343851440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 853, 1706, 2559, 3119, 3412, 4265, 5118, 6238, 6824, 8530, 9357, 10236, 12476, 12795, 13648, 15595, 17060, 18714, 20472, 24952, 25590, 31190, 34120, 37428, 40944, 46785, 49904, 51180, 62380, 68240, 74856, 93570, 102360, 124760, 149712, 187140, 204720, 249520, 374280, 748560, 2660507, 5321014, 7981521, 10642028, 13302535, 15963042, 21284056, 26605070, 31926084, 39907605, 42568112, 53210140, 63852168, 79815210, 106420280, 127704336, 159630420, 212840560, 319260840, 638521680]

約数ペア:

[(1, 638521680), (2, 319260840), (3, 212840560), (4, 159630420), (5, 127704336), (6, 106420280), (8, 79815210), (10, 63852168), (12, 53210140), (15, 42568112), (16, 39907605), (20, 31926084), (24, 26605070), (30, 21284056), (40, 15963042), (48, 13302535), (60, 10642028), (80, 7981521), (120, 5321014), (240, 2660507), (853, 748560), (1706, 374280), (2559, 249520), (3119, 204720), (3412, 187140), (4265, 149712), (5118, 124760), (6238, 102360), (6824, 93570), (8530, 74856), (9357, 68240), (10236, 62380), (12476, 51180), (12795, 49904), (13648, 46785), (15595, 40944), (17060, 37428), (18714, 34120), (20472, 31190), (24952, 25590)]