128589840

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{178597}}^1$

素因数の和:178616

約数の個数: 60

約数和(自身を含む): 431849964

約数和(自身を除く): 303260124

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 178597, 357194, 535791, 714388, 892985, 1071582, 1428776, 1607373, 1785970, 2143164, 2678955, 2857552, 3214746, 3571940, 4286328, 5357910, 6429492, 7143880, 8036865, 8572656, 10715820, 12858984, 14287760, 16073730, 21431640, 25717968, 32147460, 42863280, 64294920, 128589840]

約数ペア:

[(1, 128589840), (2, 64294920), (3, 42863280), (4, 32147460), (5, 25717968), (6, 21431640), (8, 16073730), (9, 14287760), (10, 12858984), (12, 10715820), (15, 8572656), (16, 8036865), (18, 7143880), (20, 6429492), (24, 5357910), (30, 4286328), (36, 3571940), (40, 3214746), (45, 2857552), (48, 2678955), (60, 2143164), (72, 1785970), (80, 1607373), (90, 1428776), (120, 1071582), (144, 892985), (180, 714388), (240, 535791), (360, 357194), (720, 178597)]