2557140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1$

素因数の和:161

約数の個数: 96

約数和(自身を含む): 7983360

約数和(自身を除く): 5426220

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 23, 30, 34, 46, 51, 60, 68, 69, 85, 92, 102, 109, 115, 138, 170, 204, 218, 230, 255, 276, 327, 340, 345, 391, 436, 460, 510, 545, 654, 690, 782, 1020, 1090, 1173, 1308, 1380, 1564, 1635, 1853, 1955, 2180, 2346, 2507, 3270, 3706, 3910, 4692, 5014, 5559, 5865, 6540, 7412, 7521, 7820, 9265, 10028, 11118, 11730, 12535, 15042, 18530, 22236, 23460, 25070, 27795, 30084, 37060, 37605, 42619, 50140, 55590, 75210, 85238, 111180, 127857, 150420, 170476, 213095, 255714, 426190, 511428, 639285, 852380, 1278570, 2557140]

約数ペア:

[(1, 2557140), (2, 1278570), (3, 852380), (4, 639285), (5, 511428), (6, 426190), (10, 255714), (12, 213095), (15, 170476), (17, 150420), (20, 127857), (23, 111180), (30, 85238), (34, 75210), (46, 55590), (51, 50140), (60, 42619), (68, 37605), (69, 37060), (85, 30084), (92, 27795), (102, 25070), (109, 23460), (115, 22236), (138, 18530), (170, 15042), (204, 12535), (218, 11730), (230, 11118), (255, 10028), (276, 9265), (327, 7820), (340, 7521), (345, 7412), (391, 6540), (436, 5865), (460, 5559), (510, 5014), (545, 4692), (654, 3910), (690, 3706), (782, 3270), (1020, 2507), (1090, 2346), (1173, 2180), (1308, 1955), (1380, 1853), (1564, 1635)]