71931760

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{227}}^1\times {\mathrm{233}}^1$

素因数の和:490

約数の個数: 80

約数和(自身を含む): 178622496

約数和(自身を除く): 106690736

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 227, 233, 272, 340, 454, 466, 680, 908, 932, 1135, 1165, 1360, 1816, 1864, 2270, 2330, 3632, 3728, 3859, 3961, 4540, 4660, 7718, 7922, 9080, 9320, 15436, 15844, 18160, 18640, 19295, 19805, 30872, 31688, 38590, 39610, 52891, 61744, 63376, 77180, 79220, 105782, 154360, 158440, 211564, 264455, 308720, 316880, 423128, 528910, 846256, 899147, 1057820, 1798294, 2115640, 3596588, 4231280, 4495735, 7193176, 8991470, 14386352, 17982940, 35965880, 71931760]

約数ペア:

[(1, 71931760), (2, 35965880), (4, 17982940), (5, 14386352), (8, 8991470), (10, 7193176), (16, 4495735), (17, 4231280), (20, 3596588), (34, 2115640), (40, 1798294), (68, 1057820), (80, 899147), (85, 846256), (136, 528910), (170, 423128), (227, 316880), (233, 308720), (272, 264455), (340, 211564), (454, 158440), (466, 154360), (680, 105782), (908, 79220), (932, 77180), (1135, 63376), (1165, 61744), (1360, 52891), (1816, 39610), (1864, 38590), (2270, 31688), (2330, 30872), (3632, 19805), (3728, 19295), (3859, 18640), (3961, 18160), (4540, 15844), (4660, 15436), (7718, 9320), (7922, 9080)]