127907780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{6389}}^1$

素因数の和:6429

約数の個数: 96

約数和(自身を含む): 360702720

約数和(自身を除く): 232794940

約数列:

[1, 2, 4, 5, 7, 10, 11, 13, 14, 20, 22, 26, 28, 35, 44, 52, 55, 65, 70, 77, 91, 110, 130, 140, 143, 154, 182, 220, 260, 286, 308, 364, 385, 455, 572, 715, 770, 910, 1001, 1430, 1540, 1820, 2002, 2860, 4004, 5005, 6389, 10010, 12778, 20020, 25556, 31945, 44723, 63890, 70279, 83057, 89446, 127780, 140558, 166114, 178892, 223615, 281116, 332228, 351395, 415285, 447230, 491953, 581399, 702790, 830570, 894460, 913627, 983906, 1162798, 1405580, 1661140, 1827254, 1967812, 2325596, 2459765, 2906995, 3654508, 4568135, 4919530, 5813990, 6395389, 9136270, 9839060, 11627980, 12790778, 18272540, 25581556, 31976945, 63953890, 127907780]

約数ペア:

[(1, 127907780), (2, 63953890), (4, 31976945), (5, 25581556), (7, 18272540), (10, 12790778), (11, 11627980), (13, 9839060), (14, 9136270), (20, 6395389), (22, 5813990), (26, 4919530), (28, 4568135), (35, 3654508), (44, 2906995), (52, 2459765), (55, 2325596), (65, 1967812), (70, 1827254), (77, 1661140), (91, 1405580), (110, 1162798), (130, 983906), (140, 913627), (143, 894460), (154, 830570), (182, 702790), (220, 581399), (260, 491953), (286, 447230), (308, 415285), (364, 351395), (385, 332228), (455, 281116), (572, 223615), (715, 178892), (770, 166114), (910, 140558), (1001, 127780), (1430, 89446), (1540, 83057), (1820, 70279), (2002, 63890), (2860, 44723), (4004, 31945), (5005, 25556), (6389, 20020), (10010, 12778)]