725005890

素因数分解:

$2^1\times 3^4\times 5^1\times 7^1\times {\mathrm{127867}}^1$

素因数の和:127893

約数の個数: 80

約数和(自身を含む): 2227972032

約数和(自身を除く): 1502966142

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 81, 90, 105, 126, 135, 162, 189, 210, 270, 315, 378, 405, 567, 630, 810, 945, 1134, 1890, 2835, 5670, 127867, 255734, 383601, 639335, 767202, 895069, 1150803, 1278670, 1790138, 1918005, 2301606, 2685207, 3452409, 3836010, 4475345, 5370414, 5754015, 6904818, 8055621, 8950690, 10357227, 11508030, 13426035, 16111242, 17262045, 20714454, 24166863, 26852070, 34524090, 40278105, 48333726, 51786135, 72500589, 80556210, 103572270, 120834315, 145001178, 241668630, 362502945, 725005890]

約数ペア:

[(1, 725005890), (2, 362502945), (3, 241668630), (5, 145001178), (6, 120834315), (7, 103572270), (9, 80556210), (10, 72500589), (14, 51786135), (15, 48333726), (18, 40278105), (21, 34524090), (27, 26852070), (30, 24166863), (35, 20714454), (42, 17262045), (45, 16111242), (54, 13426035), (63, 11508030), (70, 10357227), (81, 8950690), (90, 8055621), (105, 6904818), (126, 5754015), (135, 5370414), (162, 4475345), (189, 3836010), (210, 3452409), (270, 2685207), (315, 2301606), (378, 1918005), (405, 1790138), (567, 1278670), (630, 1150803), (810, 895069), (945, 767202), (1134, 639335), (1890, 383601), (2835, 255734), (5670, 127867)]