27978810

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^2\times {\mathrm{41}}^1\times {\mathrm{43}}^1$

素因数の和:140

約数の個数: 96

約数和(自身を含む): 73579968

約数和(自身を除く): 45601158

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 41, 43, 46, 69, 82, 86, 115, 123, 129, 138, 205, 215, 230, 246, 258, 345, 410, 430, 529, 615, 645, 690, 943, 989, 1058, 1230, 1290, 1587, 1763, 1886, 1978, 2645, 2829, 2967, 3174, 3526, 4715, 4945, 5289, 5290, 5658, 5934, 7935, 8815, 9430, 9890, 10578, 14145, 14835, 15870, 17630, 21689, 22747, 26445, 28290, 29670, 40549, 43378, 45494, 52890, 65067, 68241, 81098, 108445, 113735, 121647, 130134, 136482, 202745, 216890, 227470, 243294, 325335, 341205, 405490, 608235, 650670, 682410, 932627, 1216470, 1865254, 2797881, 4663135, 5595762, 9326270, 13989405, 27978810]

約数ペア:

[(1, 27978810), (2, 13989405), (3, 9326270), (5, 5595762), (6, 4663135), (10, 2797881), (15, 1865254), (23, 1216470), (30, 932627), (41, 682410), (43, 650670), (46, 608235), (69, 405490), (82, 341205), (86, 325335), (115, 243294), (123, 227470), (129, 216890), (138, 202745), (205, 136482), (215, 130134), (230, 121647), (246, 113735), (258, 108445), (345, 81098), (410, 68241), (430, 65067), (529, 52890), (615, 45494), (645, 43378), (690, 40549), (943, 29670), (989, 28290), (1058, 26445), (1230, 22747), (1290, 21689), (1587, 17630), (1763, 15870), (1886, 14835), (1978, 14145), (2645, 10578), (2829, 9890), (2967, 9430), (3174, 8815), (3526, 7935), (4715, 5934), (4945, 5658), (5289, 5290)]