78536490

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{2647}}^1$

素因数の和:2723

約数の個数: 64

約数和(自身を含む): 201332736

約数和(自身を除く): 122796246

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 43, 46, 69, 86, 115, 129, 138, 215, 230, 258, 345, 430, 645, 690, 989, 1290, 1978, 2647, 2967, 4945, 5294, 5934, 7941, 9890, 13235, 14835, 15882, 26470, 29670, 39705, 60881, 79410, 113821, 121762, 182643, 227642, 304405, 341463, 365286, 569105, 608810, 682926, 913215, 1138210, 1707315, 1826430, 2617883, 3414630, 5235766, 7853649, 13089415, 15707298, 26178830, 39268245, 78536490]

約数ペア:

[(1, 78536490), (2, 39268245), (3, 26178830), (5, 15707298), (6, 13089415), (10, 7853649), (15, 5235766), (23, 3414630), (30, 2617883), (43, 1826430), (46, 1707315), (69, 1138210), (86, 913215), (115, 682926), (129, 608810), (138, 569105), (215, 365286), (230, 341463), (258, 304405), (345, 227642), (430, 182643), (645, 121762), (690, 113821), (989, 79410), (1290, 60881), (1978, 39705), (2647, 29670), (2967, 26470), (4945, 15882), (5294, 14835), (5934, 13235), (7941, 9890)]