312778128

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{251}}^1\times {\mathrm{1997}}^1$

素因数の和:2272

約数の個数: 80

約数和(自身を含む): 874069056

約数和(自身を除く): 561290928

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 208, 251, 312, 502, 624, 753, 1004, 1506, 1997, 2008, 3012, 3263, 3994, 4016, 5991, 6024, 6526, 7988, 9789, 11982, 12048, 13052, 15976, 19578, 23964, 25961, 26104, 31952, 39156, 47928, 51922, 52208, 77883, 78312, 95856, 103844, 155766, 156624, 207688, 311532, 415376, 501247, 623064, 1002494, 1246128, 1503741, 2004988, 3007482, 4009976, 6014964, 6516211, 8019952, 12029928, 13032422, 19548633, 24059856, 26064844, 39097266, 52129688, 78194532, 104259376, 156389064, 312778128]

約数ペア:

[(1, 312778128), (2, 156389064), (3, 104259376), (4, 78194532), (6, 52129688), (8, 39097266), (12, 26064844), (13, 24059856), (16, 19548633), (24, 13032422), (26, 12029928), (39, 8019952), (48, 6516211), (52, 6014964), (78, 4009976), (104, 3007482), (156, 2004988), (208, 1503741), (251, 1246128), (312, 1002494), (502, 623064), (624, 501247), (753, 415376), (1004, 311532), (1506, 207688), (1997, 156624), (2008, 155766), (3012, 103844), (3263, 95856), (3994, 78312), (4016, 77883), (5991, 52208), (6024, 51922), (6526, 47928), (7988, 39156), (9789, 31952), (11982, 26104), (12048, 25961), (13052, 23964), (15976, 19578)]