654080

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{73}}^1$

素因数の和:101

約数の個数: 72

約数和(自身を含む): 1815072

約数和(自身を除く): 1160992

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 73, 80, 112, 128, 140, 146, 160, 224, 256, 280, 292, 320, 365, 448, 511, 560, 584, 640, 730, 896, 1022, 1120, 1168, 1280, 1460, 1792, 2044, 2240, 2336, 2555, 2920, 4088, 4480, 4672, 5110, 5840, 8176, 8960, 9344, 10220, 11680, 16352, 18688, 20440, 23360, 32704, 40880, 46720, 65408, 81760, 93440, 130816, 163520, 327040, 654080]

約数ペア:

[(1, 654080), (2, 327040), (4, 163520), (5, 130816), (7, 93440), (8, 81760), (10, 65408), (14, 46720), (16, 40880), (20, 32704), (28, 23360), (32, 20440), (35, 18688), (40, 16352), (56, 11680), (64, 10220), (70, 9344), (73, 8960), (80, 8176), (112, 5840), (128, 5110), (140, 4672), (146, 4480), (160, 4088), (224, 2920), (256, 2555), (280, 2336), (292, 2240), (320, 2044), (365, 1792), (448, 1460), (511, 1280), (560, 1168), (584, 1120), (640, 1022), (730, 896)]