87536540

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{6871}}^1$

素因数の和:6907

約数の個数: 72

約数和(自身を含む): 230321952

約数和(自身を除く): 142785412

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 49, 52, 65, 70, 91, 98, 130, 140, 182, 196, 245, 260, 364, 455, 490, 637, 910, 980, 1274, 1820, 2548, 3185, 6370, 6871, 12740, 13742, 27484, 34355, 48097, 68710, 89323, 96194, 137420, 178646, 192388, 240485, 336679, 357292, 446615, 480970, 625261, 673358, 893230, 961940, 1250522, 1346716, 1683395, 1786460, 2501044, 3126305, 3366790, 4376827, 6252610, 6733580, 8753654, 12505220, 17507308, 21884135, 43768270, 87536540]

約数ペア:

[(1, 87536540), (2, 43768270), (4, 21884135), (5, 17507308), (7, 12505220), (10, 8753654), (13, 6733580), (14, 6252610), (20, 4376827), (26, 3366790), (28, 3126305), (35, 2501044), (49, 1786460), (52, 1683395), (65, 1346716), (70, 1250522), (91, 961940), (98, 893230), (130, 673358), (140, 625261), (182, 480970), (196, 446615), (245, 357292), (260, 336679), (364, 240485), (455, 192388), (490, 178646), (637, 137420), (910, 96194), (980, 89323), (1274, 68710), (1820, 48097), (2548, 34355), (3185, 27484), (6370, 13742), (6871, 12740)]