8020890

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{487}}^1$

素因数の和:564

約数の個数: 64

約数和(自身を含む): 21784320

約数和(自身を除く): 13763430

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 61, 90, 122, 135, 183, 270, 305, 366, 487, 549, 610, 915, 974, 1098, 1461, 1647, 1830, 2435, 2745, 2922, 3294, 4383, 4870, 5490, 7305, 8235, 8766, 13149, 14610, 16470, 21915, 26298, 29707, 43830, 59414, 65745, 89121, 131490, 148535, 178242, 267363, 297070, 445605, 534726, 802089, 891210, 1336815, 1604178, 2673630, 4010445, 8020890]

約数ペア:

[(1, 8020890), (2, 4010445), (3, 2673630), (5, 1604178), (6, 1336815), (9, 891210), (10, 802089), (15, 534726), (18, 445605), (27, 297070), (30, 267363), (45, 178242), (54, 148535), (61, 131490), (90, 89121), (122, 65745), (135, 59414), (183, 43830), (270, 29707), (305, 26298), (366, 21915), (487, 16470), (549, 14610), (610, 13149), (915, 8766), (974, 8235), (1098, 7305), (1461, 5490), (1647, 4870), (1830, 4383), (2435, 3294), (2745, 2922)]