64451660

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{5059}}^1$

素因数の和:5095

約数の個数: 72

約数和(自身を含む): 169590960

約数和(自身を除く): 105139300

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, 5059, 6370, 10118, 12740, 20236, 25295, 35413, 50590, 65767, 70826, 101180, 131534, 141652, 177065, 247891, 263068, 328835, 354130, 460369, 495782, 657670, 708260, 920738, 991564, 1239455, 1315340, 1841476, 2301845, 2478910, 3222583, 4603690, 4957820, 6445166, 9207380, 12890332, 16112915, 32225830, 64451660]

約数ペア:

[(1, 64451660), (2, 32225830), (4, 16112915), (5, 12890332), (7, 9207380), (10, 6445166), (13, 4957820), (14, 4603690), (20, 3222583), (26, 2478910), (28, 2301845), (35, 1841476), (49, 1315340), (52, 1239455), (65, 991564), (70, 920738), (91, 708260), (98, 657670), (130, 495782), (140, 460369), (182, 354130), (196, 328835), (245, 263068), (260, 247891), (364, 177065), (455, 141652), (490, 131534), (637, 101180), (910, 70826), (980, 65767), (1274, 50590), (1820, 35413), (2548, 25295), (3185, 20236), (5059, 12740), (6370, 10118)]