65775920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{1609}}^1$

素因数の和:1702

約数の個数: 80

約数和(自身を含む): 177280320

約数和(自身を除く): 111504400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 73, 80, 112, 140, 146, 280, 292, 365, 511, 560, 584, 730, 1022, 1168, 1460, 1609, 2044, 2555, 2920, 3218, 4088, 5110, 5840, 6436, 8045, 8176, 10220, 11263, 12872, 16090, 20440, 22526, 25744, 32180, 40880, 45052, 56315, 64360, 90104, 112630, 117457, 128720, 180208, 225260, 234914, 450520, 469828, 587285, 822199, 901040, 939656, 1174570, 1644398, 1879312, 2349140, 3288796, 4110995, 4698280, 6577592, 8221990, 9396560, 13155184, 16443980, 32887960, 65775920]

約数ペア:

[(1, 65775920), (2, 32887960), (4, 16443980), (5, 13155184), (7, 9396560), (8, 8221990), (10, 6577592), (14, 4698280), (16, 4110995), (20, 3288796), (28, 2349140), (35, 1879312), (40, 1644398), (56, 1174570), (70, 939656), (73, 901040), (80, 822199), (112, 587285), (140, 469828), (146, 450520), (280, 234914), (292, 225260), (365, 180208), (511, 128720), (560, 117457), (584, 112630), (730, 90104), (1022, 64360), (1168, 56315), (1460, 45052), (1609, 40880), (2044, 32180), (2555, 25744), (2920, 22526), (3218, 20440), (4088, 16090), (5110, 12872), (5840, 11263), (6436, 10220), (8045, 8176)]