77977920

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1889}}^1$

素因数の和:1952

約数の個数: 112

約数和(自身を含む): 253471680

約数和(自身を除く): 175493760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 43, 48, 60, 64, 80, 86, 96, 120, 129, 160, 172, 192, 215, 240, 258, 320, 344, 430, 480, 516, 645, 688, 860, 960, 1032, 1290, 1376, 1720, 1889, 2064, 2580, 2752, 3440, 3778, 4128, 5160, 5667, 6880, 7556, 8256, 9445, 10320, 11334, 13760, 15112, 18890, 20640, 22668, 28335, 30224, 37780, 41280, 45336, 56670, 60448, 75560, 81227, 90672, 113340, 120896, 151120, 162454, 181344, 226680, 243681, 302240, 324908, 362688, 406135, 453360, 487362, 604480, 649816, 812270, 906720, 974724, 1218405, 1299632, 1624540, 1813440, 1949448, 2436810, 2599264, 3249080, 3898896, 4873620, 5198528, 6498160, 7797792, 9747240, 12996320, 15595584, 19494480, 25992640, 38988960, 77977920]

約数ペア:

[(1, 77977920), (2, 38988960), (3, 25992640), (4, 19494480), (5, 15595584), (6, 12996320), (8, 9747240), (10, 7797792), (12, 6498160), (15, 5198528), (16, 4873620), (20, 3898896), (24, 3249080), (30, 2599264), (32, 2436810), (40, 1949448), (43, 1813440), (48, 1624540), (60, 1299632), (64, 1218405), (80, 974724), (86, 906720), (96, 812270), (120, 649816), (129, 604480), (160, 487362), (172, 453360), (192, 406135), (215, 362688), (240, 324908), (258, 302240), (320, 243681), (344, 226680), (430, 181344), (480, 162454), (516, 151120), (645, 120896), (688, 113340), (860, 90672), (960, 81227), (1032, 75560), (1290, 60448), (1376, 56670), (1720, 45336), (1889, 41280), (2064, 37780), (2580, 30224), (2752, 28335), (3440, 22668), (3778, 20640), (4128, 18890), (5160, 15112), (5667, 13760), (6880, 11334), (7556, 10320), (8256, 9445)]