1309978880

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{146203}}^1$

素因数の和:146231

約数の個数: 72

約数和(自身を含む): 3586091712

約数和(自身を除く): 2276112832

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 256, 280, 320, 448, 560, 640, 896, 1120, 1280, 1792, 2240, 4480, 8960, 146203, 292406, 584812, 731015, 1023421, 1169624, 1462030, 2046842, 2339248, 2924060, 4093684, 4678496, 5117105, 5848120, 8187368, 9356992, 10234210, 11696240, 16374736, 18713984, 20468420, 23392480, 32749472, 37427968, 40936840, 46784960, 65498944, 81873680, 93569920, 130997888, 163747360, 187139840, 261995776, 327494720, 654989440, 1309978880]

約数ペア:

[(1, 1309978880), (2, 654989440), (4, 327494720), (5, 261995776), (7, 187139840), (8, 163747360), (10, 130997888), (14, 93569920), (16, 81873680), (20, 65498944), (28, 46784960), (32, 40936840), (35, 37427968), (40, 32749472), (56, 23392480), (64, 20468420), (70, 18713984), (80, 16374736), (112, 11696240), (128, 10234210), (140, 9356992), (160, 8187368), (224, 5848120), (256, 5117105), (280, 4678496), (320, 4093684), (448, 2924060), (560, 2339248), (640, 2046842), (896, 1462030), (1120, 1169624), (1280, 1023421), (1792, 731015), (2240, 584812), (4480, 292406), (8960, 146203)]