7671420

素因数分解:

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

素因数の和:164

約数の個数: 144

約数和(自身を含む): 25945920

約数和(自身を除く): 18274500

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 23, 30, 34, 36, 45, 46, 51, 60, 68, 69, 85, 90, 92, 102, 109, 115, 138, 153, 170, 180, 204, 207, 218, 230, 255, 276, 306, 327, 340, 345, 391, 414, 436, 460, 510, 545, 612, 654, 690, 765, 782, 828, 981, 1020, 1035, 1090, 1173, 1308, 1380, 1530, 1564, 1635, 1853, 1955, 1962, 2070, 2180, 2346, 2507, 3060, 3270, 3519, 3706, 3910, 3924, 4140, 4692, 4905, 5014, 5559, 5865, 6540, 7038, 7412, 7521, 7820, 9265, 9810, 10028, 11118, 11730, 12535, 14076, 15042, 16677, 17595, 18530, 19620, 22236, 22563, 23460, 25070, 27795, 30084, 33354, 35190, 37060, 37605, 42619, 45126, 50140, 55590, 66708, 70380, 75210, 83385, 85238, 90252, 111180, 112815, 127857, 150420, 166770, 170476, 213095, 225630, 255714, 333540, 383571, 426190, 451260, 511428, 639285, 767142, 852380, 1278570, 1534284, 1917855, 2557140, 3835710, 7671420]

約数ペア:

[(1, 7671420), (2, 3835710), (3, 2557140), (4, 1917855), (5, 1534284), (6, 1278570), (9, 852380), (10, 767142), (12, 639285), (15, 511428), (17, 451260), (18, 426190), (20, 383571), (23, 333540), (30, 255714), (34, 225630), (36, 213095), (45, 170476), (46, 166770), (51, 150420), (60, 127857), (68, 112815), (69, 111180), (85, 90252), (90, 85238), (92, 83385), (102, 75210), (109, 70380), (115, 66708), (138, 55590), (153, 50140), (170, 45126), (180, 42619), (204, 37605), (207, 37060), (218, 35190), (230, 33354), (255, 30084), (276, 27795), (306, 25070), (327, 23460), (340, 22563), (345, 22236), (391, 19620), (414, 18530), (436, 17595), (460, 16677), (510, 15042), (545, 14076), (612, 12535), (654, 11730), (690, 11118), (765, 10028), (782, 9810), (828, 9265), (981, 7820), (1020, 7521), (1035, 7412), (1090, 7038), (1173, 6540), (1308, 5865), (1380, 5559), (1530, 5014), (1564, 4905), (1635, 4692), (1853, 4140), (1955, 3924), (1962, 3910), (2070, 3706), (2180, 3519), (2346, 3270), (2507, 3060)]