251791560

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{9851}}^1$

素因数の和:9939

約数の個数: 96

約数和(自身を含む): 829932480

約数和(自身を除く): 578140920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 71, 72, 90, 120, 142, 180, 213, 284, 355, 360, 426, 568, 639, 710, 852, 1065, 1278, 1420, 1704, 2130, 2556, 2840, 3195, 4260, 5112, 6390, 8520, 9851, 12780, 19702, 25560, 29553, 39404, 49255, 59106, 78808, 88659, 98510, 118212, 147765, 177318, 197020, 236424, 295530, 354636, 394040, 443295, 591060, 699421, 709272, 886590, 1182120, 1398842, 1773180, 2098263, 2797684, 3497105, 3546360, 4196526, 5595368, 6294789, 6994210, 8393052, 10491315, 12589578, 13988420, 16786104, 20982630, 25179156, 27976840, 31473945, 41965260, 50358312, 62947890, 83930520, 125895780, 251791560]

約数ペア:

[(1, 251791560), (2, 125895780), (3, 83930520), (4, 62947890), (5, 50358312), (6, 41965260), (8, 31473945), (9, 27976840), (10, 25179156), (12, 20982630), (15, 16786104), (18, 13988420), (20, 12589578), (24, 10491315), (30, 8393052), (36, 6994210), (40, 6294789), (45, 5595368), (60, 4196526), (71, 3546360), (72, 3497105), (90, 2797684), (120, 2098263), (142, 1773180), (180, 1398842), (213, 1182120), (284, 886590), (355, 709272), (360, 699421), (426, 591060), (568, 443295), (639, 394040), (710, 354636), (852, 295530), (1065, 236424), (1278, 197020), (1420, 177318), (1704, 147765), (2130, 118212), (2556, 98510), (2840, 88659), (3195, 78808), (4260, 59106), (5112, 49255), (6390, 39404), (8520, 29553), (9851, 25560), (12780, 19702)]