259905520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1187}}^1$

素因数の和:1247

約数の個数: 160

約数和(自身を含む): 763665408

約数和(自身を除く): 503759888

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 23, 28, 34, 35, 40, 46, 56, 68, 70, 80, 85, 92, 112, 115, 119, 136, 140, 161, 170, 184, 230, 238, 272, 280, 322, 340, 368, 391, 460, 476, 560, 595, 644, 680, 782, 805, 920, 952, 1187, 1190, 1288, 1360, 1564, 1610, 1840, 1904, 1955, 2374, 2380, 2576, 2737, 3128, 3220, 3910, 4748, 4760, 5474, 5935, 6256, 6440, 7820, 8309, 9496, 9520, 10948, 11870, 12880, 13685, 15640, 16618, 18992, 20179, 21896, 23740, 27301, 27370, 31280, 33236, 40358, 41545, 43792, 47480, 54602, 54740, 66472, 80716, 83090, 94960, 100895, 109204, 109480, 132944, 136505, 141253, 161432, 166180, 191107, 201790, 218408, 218960, 273010, 282506, 322864, 332360, 382214, 403580, 436816, 464117, 546020, 565012, 664720, 706265, 764428, 807160, 928234, 955535, 1092040, 1130024, 1412530, 1528856, 1614320, 1856468, 1911070, 2184080, 2260048, 2320585, 2825060, 3057712, 3248819, 3712936, 3822140, 4641170, 5650120, 6497638, 7425872, 7644280, 9282340, 11300240, 12995276, 15288560, 16244095, 18564680, 25990552, 32488190, 37129360, 51981104, 64976380, 129952760, 259905520]

約数ペア:

[(1, 259905520), (2, 129952760), (4, 64976380), (5, 51981104), (7, 37129360), (8, 32488190), (10, 25990552), (14, 18564680), (16, 16244095), (17, 15288560), (20, 12995276), (23, 11300240), (28, 9282340), (34, 7644280), (35, 7425872), (40, 6497638), (46, 5650120), (56, 4641170), (68, 3822140), (70, 3712936), (80, 3248819), (85, 3057712), (92, 2825060), (112, 2320585), (115, 2260048), (119, 2184080), (136, 1911070), (140, 1856468), (161, 1614320), (170, 1528856), (184, 1412530), (230, 1130024), (238, 1092040), (272, 955535), (280, 928234), (322, 807160), (340, 764428), (368, 706265), (391, 664720), (460, 565012), (476, 546020), (560, 464117), (595, 436816), (644, 403580), (680, 382214), (782, 332360), (805, 322864), (920, 282506), (952, 273010), (1187, 218960), (1190, 218408), (1288, 201790), (1360, 191107), (1564, 166180), (1610, 161432), (1840, 141253), (1904, 136505), (1955, 132944), (2374, 109480), (2380, 109204), (2576, 100895), (2737, 94960), (3128, 83090), (3220, 80716), (3910, 66472), (4748, 54740), (4760, 54602), (5474, 47480), (5935, 43792), (6256, 41545), (6440, 40358), (7820, 33236), (8309, 31280), (9496, 27370), (9520, 27301), (10948, 23740), (11870, 21896), (12880, 20179), (13685, 18992), (15640, 16618)]