128591712

素因数分解:

$2^5\times 3^5\times {\mathrm{23}}^1\times {\mathrm{719}}^1$

素因数の和:767

約数の個数: 144

約数和(自身を含む): 396264960

約数和(自身を除く): 267673248

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 23, 24, 27, 32, 36, 46, 48, 54, 69, 72, 81, 92, 96, 108, 138, 144, 162, 184, 207, 216, 243, 276, 288, 324, 368, 414, 432, 486, 552, 621, 648, 719, 736, 828, 864, 972, 1104, 1242, 1296, 1438, 1656, 1863, 1944, 2157, 2208, 2484, 2592, 2876, 3312, 3726, 3888, 4314, 4968, 5589, 5752, 6471, 6624, 7452, 7776, 8628, 9936, 11178, 11504, 12942, 14904, 16537, 17256, 19413, 19872, 22356, 23008, 25884, 29808, 33074, 34512, 38826, 44712, 49611, 51768, 58239, 59616, 66148, 69024, 77652, 89424, 99222, 103536, 116478, 132296, 148833, 155304, 174717, 178848, 198444, 207072, 232956, 264592, 297666, 310608, 349434, 396888, 446499, 465912, 529184, 595332, 621216, 698868, 793776, 892998, 931824, 1190664, 1339497, 1397736, 1587552, 1785996, 1863648, 2381328, 2678994, 2795472, 3571992, 4018491, 4762656, 5357988, 5590944, 7143984, 8036982, 10715976, 14287968, 16073964, 21431952, 32147928, 42863904, 64295856, 128591712]

約数ペア:

[(1, 128591712), (2, 64295856), (3, 42863904), (4, 32147928), (6, 21431952), (8, 16073964), (9, 14287968), (12, 10715976), (16, 8036982), (18, 7143984), (23, 5590944), (24, 5357988), (27, 4762656), (32, 4018491), (36, 3571992), (46, 2795472), (48, 2678994), (54, 2381328), (69, 1863648), (72, 1785996), (81, 1587552), (92, 1397736), (96, 1339497), (108, 1190664), (138, 931824), (144, 892998), (162, 793776), (184, 698868), (207, 621216), (216, 595332), (243, 529184), (276, 465912), (288, 446499), (324, 396888), (368, 349434), (414, 310608), (432, 297666), (486, 264592), (552, 232956), (621, 207072), (648, 198444), (719, 178848), (736, 174717), (828, 155304), (864, 148833), (972, 132296), (1104, 116478), (1242, 103536), (1296, 99222), (1438, 89424), (1656, 77652), (1863, 69024), (1944, 66148), (2157, 59616), (2208, 58239), (2484, 51768), (2592, 49611), (2876, 44712), (3312, 38826), (3726, 34512), (3888, 33074), (4314, 29808), (4968, 25884), (5589, 23008), (5752, 22356), (6471, 19872), (6624, 19413), (7452, 17256), (7776, 16537), (8628, 14904), (9936, 12942), (11178, 11504)]