1297920

素因数分解:

$2^9\times 3^1\times 5^1\times {\mathrm{13}}^2$

素因数の和:52

約数の個数: 120

約数和(自身を含む): 4493016

約数和(自身を除く): 3195096

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 64, 65, 78, 80, 96, 104, 120, 128, 130, 156, 160, 169, 192, 195, 208, 240, 256, 260, 312, 320, 338, 384, 390, 416, 480, 507, 512, 520, 624, 640, 676, 768, 780, 832, 845, 960, 1014, 1040, 1248, 1280, 1352, 1536, 1560, 1664, 1690, 1920, 2028, 2080, 2496, 2535, 2560, 2704, 3120, 3328, 3380, 3840, 4056, 4160, 4992, 5070, 5408, 6240, 6656, 6760, 7680, 8112, 8320, 9984, 10140, 10816, 12480, 13520, 16224, 16640, 19968, 20280, 21632, 24960, 27040, 32448, 33280, 40560, 43264, 49920, 54080, 64896, 81120, 86528, 99840, 108160, 129792, 162240, 216320, 259584, 324480, 432640, 648960, 1297920]

約数ペア:

[(1, 1297920), (2, 648960), (3, 432640), (4, 324480), (5, 259584), (6, 216320), (8, 162240), (10, 129792), (12, 108160), (13, 99840), (15, 86528), (16, 81120), (20, 64896), (24, 54080), (26, 49920), (30, 43264), (32, 40560), (39, 33280), (40, 32448), (48, 27040), (52, 24960), (60, 21632), (64, 20280), (65, 19968), (78, 16640), (80, 16224), (96, 13520), (104, 12480), (120, 10816), (128, 10140), (130, 9984), (156, 8320), (160, 8112), (169, 7680), (192, 6760), (195, 6656), (208, 6240), (240, 5408), (256, 5070), (260, 4992), (312, 4160), (320, 4056), (338, 3840), (384, 3380), (390, 3328), (416, 3120), (480, 2704), (507, 2560), (512, 2535), (520, 2496), (624, 2080), (640, 2028), (676, 1920), (768, 1690), (780, 1664), (832, 1560), (845, 1536), (960, 1352), (1014, 1280), (1040, 1248)]