1488520

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{199}}^1$

素因数の和:238

約数の個数: 64

約数和(自身を含む): 3888000

約数和(自身を除く): 2399480

約数列:

[1, 2, 4, 5, 8, 10, 11, 17, 20, 22, 34, 40, 44, 55, 68, 85, 88, 110, 136, 170, 187, 199, 220, 340, 374, 398, 440, 680, 748, 796, 935, 995, 1496, 1592, 1870, 1990, 2189, 3383, 3740, 3980, 4378, 6766, 7480, 7960, 8756, 10945, 13532, 16915, 17512, 21890, 27064, 33830, 37213, 43780, 67660, 74426, 87560, 135320, 148852, 186065, 297704, 372130, 744260, 1488520]

約数ペア:

[(1, 1488520), (2, 744260), (4, 372130), (5, 297704), (8, 186065), (10, 148852), (11, 135320), (17, 87560), (20, 74426), (22, 67660), (34, 43780), (40, 37213), (44, 33830), (55, 27064), (68, 21890), (85, 17512), (88, 16915), (110, 13532), (136, 10945), (170, 8756), (187, 7960), (199, 7480), (220, 6766), (340, 4378), (374, 3980), (398, 3740), (440, 3383), (680, 2189), (748, 1990), (796, 1870), (935, 1592), (995, 1496)]