78945228

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{211}}^1\times {\mathrm{547}}^1$

素因数の和:787

約数の個数: 72

約数和(自身を含む): 211440320

約数和(自身を除く): 132495092

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 171, 211, 228, 342, 422, 547, 633, 684, 844, 1094, 1266, 1641, 1899, 2188, 2532, 3282, 3798, 4009, 4923, 6564, 7596, 8018, 9846, 10393, 12027, 16036, 19692, 20786, 24054, 31179, 36081, 41572, 48108, 62358, 72162, 93537, 115417, 124716, 144324, 187074, 230834, 346251, 374148, 461668, 692502, 1038753, 1385004, 2077506, 2192923, 4155012, 4385846, 6578769, 8771692, 13157538, 19736307, 26315076, 39472614, 78945228]

約数ペア:

[(1, 78945228), (2, 39472614), (3, 26315076), (4, 19736307), (6, 13157538), (9, 8771692), (12, 6578769), (18, 4385846), (19, 4155012), (36, 2192923), (38, 2077506), (57, 1385004), (76, 1038753), (114, 692502), (171, 461668), (211, 374148), (228, 346251), (342, 230834), (422, 187074), (547, 144324), (633, 124716), (684, 115417), (844, 93537), (1094, 72162), (1266, 62358), (1641, 48108), (1899, 41572), (2188, 36081), (2532, 31179), (3282, 24054), (3798, 20786), (4009, 19692), (4923, 16036), (6564, 12027), (7596, 10393), (8018, 9846)]