123497920

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{4241}}^1$

素因数の和:4278

約数の個数: 112

約数和(自身を含む): 362029248

約数和(自身を除く): 238531328

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 52, 56, 64, 65, 70, 80, 91, 104, 112, 130, 140, 160, 182, 208, 224, 260, 280, 320, 364, 416, 448, 455, 520, 560, 728, 832, 910, 1040, 1120, 1456, 1820, 2080, 2240, 2912, 3640, 4160, 4241, 5824, 7280, 8482, 14560, 16964, 21205, 29120, 29687, 33928, 42410, 55133, 59374, 67856, 84820, 110266, 118748, 135712, 148435, 169640, 220532, 237496, 271424, 275665, 296870, 339280, 385931, 441064, 474992, 551330, 593740, 678560, 771862, 882128, 949984, 1102660, 1187480, 1357120, 1543724, 1764256, 1899968, 1929655, 2205320, 2374960, 3087448, 3528512, 3859310, 4410640, 4749920, 6174896, 7718620, 8821280, 9499840, 12349792, 15437240, 17642560, 24699584, 30874480, 61748960, 123497920]

約数ペア:

[(1, 123497920), (2, 61748960), (4, 30874480), (5, 24699584), (7, 17642560), (8, 15437240), (10, 12349792), (13, 9499840), (14, 8821280), (16, 7718620), (20, 6174896), (26, 4749920), (28, 4410640), (32, 3859310), (35, 3528512), (40, 3087448), (52, 2374960), (56, 2205320), (64, 1929655), (65, 1899968), (70, 1764256), (80, 1543724), (91, 1357120), (104, 1187480), (112, 1102660), (130, 949984), (140, 882128), (160, 771862), (182, 678560), (208, 593740), (224, 551330), (260, 474992), (280, 441064), (320, 385931), (364, 339280), (416, 296870), (448, 275665), (455, 271424), (520, 237496), (560, 220532), (728, 169640), (832, 148435), (910, 135712), (1040, 118748), (1120, 110266), (1456, 84820), (1820, 67856), (2080, 59374), (2240, 55133), (2912, 42410), (3640, 33928), (4160, 29687), (4241, 29120), (5824, 21205), (7280, 16964), (8482, 14560)]