178506588

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1$

素因数の和:188

約数の個数: 144

約数和(自身を含む): 486984960

約数和(自身を除く): 308478372

約数列:

[1, 2, 3, 4, 6, 12, 13, 23, 26, 39, 43, 46, 52, 69, 78, 86, 89, 92, 129, 138, 156, 169, 172, 178, 258, 267, 276, 299, 338, 356, 507, 516, 534, 559, 598, 676, 897, 989, 1014, 1068, 1118, 1157, 1196, 1677, 1794, 1978, 2028, 2047, 2236, 2314, 2967, 3354, 3471, 3588, 3827, 3887, 3956, 4094, 4628, 5934, 6141, 6708, 6942, 7267, 7654, 7774, 8188, 11481, 11661, 11868, 12282, 12857, 13884, 14534, 15041, 15308, 15548, 21801, 22962, 23322, 24564, 25714, 26611, 29068, 30082, 38571, 43602, 45123, 45924, 46644, 49751, 51428, 53222, 60164, 77142, 79833, 87204, 88021, 90246, 99502, 106444, 149253, 154284, 159666, 167141, 176042, 180492, 199004, 264063, 298506, 319332, 334282, 345943, 352084, 501423, 528126, 597012, 646763, 668564, 691886, 1002846, 1037829, 1056252, 1144273, 1293526, 1383772, 1940289, 2005692, 2075658, 2288546, 2587052, 3432819, 3880578, 4151316, 4577092, 6865638, 7761156, 13731276, 14875549, 29751098, 44626647, 59502196, 89253294, 178506588]

約数ペア:

[(1, 178506588), (2, 89253294), (3, 59502196), (4, 44626647), (6, 29751098), (12, 14875549), (13, 13731276), (23, 7761156), (26, 6865638), (39, 4577092), (43, 4151316), (46, 3880578), (52, 3432819), (69, 2587052), (78, 2288546), (86, 2075658), (89, 2005692), (92, 1940289), (129, 1383772), (138, 1293526), (156, 1144273), (169, 1056252), (172, 1037829), (178, 1002846), (258, 691886), (267, 668564), (276, 646763), (299, 597012), (338, 528126), (356, 501423), (507, 352084), (516, 345943), (534, 334282), (559, 319332), (598, 298506), (676, 264063), (897, 199004), (989, 180492), (1014, 176042), (1068, 167141), (1118, 159666), (1157, 154284), (1196, 149253), (1677, 106444), (1794, 99502), (1978, 90246), (2028, 88021), (2047, 87204), (2236, 79833), (2314, 77142), (2967, 60164), (3354, 53222), (3471, 51428), (3588, 49751), (3827, 46644), (3887, 45924), (3956, 45123), (4094, 43602), (4628, 38571), (5934, 30082), (6141, 29068), (6708, 26611), (6942, 25714), (7267, 24564), (7654, 23322), (7774, 22962), (8188, 21801), (11481, 15548), (11661, 15308), (11868, 15041), (12282, 14534), (12857, 13884)]