4455920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{109}}^1$

素因数の和:202

約数の個数: 80

約数和(自身を含む): 12112320

約数和(自身を除く): 7656400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 73, 80, 109, 112, 140, 146, 218, 280, 292, 365, 436, 511, 545, 560, 584, 730, 763, 872, 1022, 1090, 1168, 1460, 1526, 1744, 2044, 2180, 2555, 2920, 3052, 3815, 4088, 4360, 5110, 5840, 6104, 7630, 7957, 8176, 8720, 10220, 12208, 15260, 15914, 20440, 30520, 31828, 39785, 40880, 55699, 61040, 63656, 79570, 111398, 127312, 159140, 222796, 278495, 318280, 445592, 556990, 636560, 891184, 1113980, 2227960, 4455920]

約数ペア:

[(1, 4455920), (2, 2227960), (4, 1113980), (5, 891184), (7, 636560), (8, 556990), (10, 445592), (14, 318280), (16, 278495), (20, 222796), (28, 159140), (35, 127312), (40, 111398), (56, 79570), (70, 63656), (73, 61040), (80, 55699), (109, 40880), (112, 39785), (140, 31828), (146, 30520), (218, 20440), (280, 15914), (292, 15260), (365, 12208), (436, 10220), (511, 8720), (545, 8176), (560, 7957), (584, 7630), (730, 6104), (763, 5840), (872, 5110), (1022, 4360), (1090, 4088), (1168, 3815), (1460, 3052), (1526, 2920), (1744, 2555), (2044, 2180)]