81063710

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{229}}^1\times {\mathrm{389}}^1$

素因数の和:645

約数の個数: 64

約数和(自身を含む): 180835200

約数和(自身を除く): 99771490

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 229, 389, 455, 458, 778, 910, 1145, 1603, 1945, 2290, 2723, 2977, 3206, 3890, 5057, 5446, 5954, 8015, 10114, 13615, 14885, 16030, 20839, 25285, 27230, 29770, 35399, 41678, 50570, 70798, 89081, 104195, 176995, 178162, 208390, 353990, 445405, 623567, 890810, 1158053, 1247134, 2316106, 3117835, 5790265, 6235670, 8106371, 11580530, 16212742, 40531855, 81063710]

約数ペア:

[(1, 81063710), (2, 40531855), (5, 16212742), (7, 11580530), (10, 8106371), (13, 6235670), (14, 5790265), (26, 3117835), (35, 2316106), (65, 1247134), (70, 1158053), (91, 890810), (130, 623567), (182, 445405), (229, 353990), (389, 208390), (455, 178162), (458, 176995), (778, 104195), (910, 89081), (1145, 70798), (1603, 50570), (1945, 41678), (2290, 35399), (2723, 29770), (2977, 27230), (3206, 25285), (3890, 20839), (5057, 16030), (5446, 14885), (5954, 13615), (8015, 10114)]