1291247760

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{489109}}^1$

素因数の和:489136

約数の個数: 80

約数和(自身を含む): 4366774080

約数和(自身を除く): 3075526320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 44, 48, 55, 60, 66, 80, 88, 110, 120, 132, 165, 176, 220, 240, 264, 330, 440, 528, 660, 880, 1320, 2640, 489109, 978218, 1467327, 1956436, 2445545, 2934654, 3912872, 4891090, 5380199, 5869308, 7336635, 7825744, 9782180, 10760398, 11738616, 14673270, 16140597, 19564360, 21520796, 23477232, 26900995, 29346540, 32281194, 39128720, 43041592, 53801990, 58693080, 64562388, 80702985, 86083184, 107603980, 117386160, 129124776, 161405970, 215207960, 258249552, 322811940, 430415920, 645623880, 1291247760]

約数ペア:

[(1, 1291247760), (2, 645623880), (3, 430415920), (4, 322811940), (5, 258249552), (6, 215207960), (8, 161405970), (10, 129124776), (11, 117386160), (12, 107603980), (15, 86083184), (16, 80702985), (20, 64562388), (22, 58693080), (24, 53801990), (30, 43041592), (33, 39128720), (40, 32281194), (44, 29346540), (48, 26900995), (55, 23477232), (60, 21520796), (66, 19564360), (80, 16140597), (88, 14673270), (110, 11738616), (120, 10760398), (132, 9782180), (165, 7825744), (176, 7336635), (220, 5869308), (240, 5380199), (264, 4891090), (330, 3912872), (440, 2934654), (528, 2445545), (660, 1956436), (880, 1467327), (1320, 978218), (2640, 489109)]