1520777560

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{311}}^1\times {\mathrm{2843}}^1$

素因数の和:3208

約数の個数: 64

約数和(自身を含む): 3513818880

約数和(自身を除く): 1993041320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 311, 344, 430, 622, 860, 1244, 1555, 1720, 2488, 2843, 3110, 5686, 6220, 11372, 12440, 13373, 14215, 22744, 26746, 28430, 53492, 56860, 66865, 106984, 113720, 122249, 133730, 244498, 267460, 488996, 534920, 611245, 884173, 977992, 1222490, 1768346, 2444980, 3536692, 4420865, 4889960, 7073384, 8841730, 17683460, 35366920, 38019439, 76038878, 152077756, 190097195, 304155512, 380194390, 760388780, 1520777560]

約数ペア:

[(1, 1520777560), (2, 760388780), (4, 380194390), (5, 304155512), (8, 190097195), (10, 152077756), (20, 76038878), (40, 38019439), (43, 35366920), (86, 17683460), (172, 8841730), (215, 7073384), (311, 4889960), (344, 4420865), (430, 3536692), (622, 2444980), (860, 1768346), (1244, 1222490), (1555, 977992), (1720, 884173), (2488, 611245), (2843, 534920), (3110, 488996), (5686, 267460), (6220, 244498), (11372, 133730), (12440, 122249), (13373, 113720), (14215, 106984), (22744, 66865), (26746, 56860), (28430, 53492)]