79817920

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2741}}^1$

素因数の和:2778

約数の個数: 112

約数和(自身を含む): 234013248

約数和(自身を除く): 154195328

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, 2741, 2912, 3640, 4160, 5482, 5824, 7280, 10964, 13705, 14560, 19187, 21928, 27410, 29120, 35633, 38374, 43856, 54820, 71266, 76748, 87712, 95935, 109640, 142532, 153496, 175424, 178165, 191870, 219280, 249431, 285064, 306992, 356330, 383740, 438560, 498862, 570128, 613984, 712660, 767480, 877120, 997724, 1140256, 1227968, 1247155, 1425320, 1534960, 1995448, 2280512, 2494310, 2850640, 3069920, 3990896, 4988620, 5701280, 6139840, 7981792, 9977240, 11402560, 15963584, 19954480, 39908960, 79817920]

約数ペア:

[(1, 79817920), (2, 39908960), (4, 19954480), (5, 15963584), (7, 11402560), (8, 9977240), (10, 7981792), (13, 6139840), (14, 5701280), (16, 4988620), (20, 3990896), (26, 3069920), (28, 2850640), (32, 2494310), (35, 2280512), (40, 1995448), (52, 1534960), (56, 1425320), (64, 1247155), (65, 1227968), (70, 1140256), (80, 997724), (91, 877120), (104, 767480), (112, 712660), (130, 613984), (140, 570128), (160, 498862), (182, 438560), (208, 383740), (224, 356330), (260, 306992), (280, 285064), (320, 249431), (364, 219280), (416, 191870), (448, 178165), (455, 175424), (520, 153496), (560, 142532), (728, 109640), (832, 95935), (910, 87712), (1040, 76748), (1120, 71266), (1456, 54820), (1820, 43856), (2080, 38374), (2240, 35633), (2741, 29120), (2912, 27410), (3640, 21928), (4160, 19187), (5482, 14560), (5824, 13705), (7280, 10964)]