128365920

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{919}}^1$

素因数の和:1037

約数の個数: 144

約数和(自身を含む): 443046240

約数和(自身を除く): 314680320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 97, 120, 144, 160, 180, 194, 240, 288, 291, 360, 388, 480, 485, 582, 720, 776, 873, 919, 970, 1164, 1440, 1455, 1552, 1746, 1838, 1940, 2328, 2757, 2910, 3104, 3492, 3676, 3880, 4365, 4595, 4656, 5514, 5820, 6984, 7352, 7760, 8271, 8730, 9190, 9312, 11028, 11640, 13785, 13968, 14704, 15520, 16542, 17460, 18380, 22056, 23280, 27570, 27936, 29408, 33084, 34920, 36760, 41355, 44112, 46560, 55140, 66168, 69840, 73520, 82710, 88224, 89143, 110280, 132336, 139680, 147040, 165420, 178286, 220560, 264672, 267429, 330840, 356572, 441120, 445715, 534858, 661680, 713144, 802287, 891430, 1069716, 1323360, 1337145, 1426288, 1604574, 1782860, 2139432, 2674290, 2852576, 3209148, 3565720, 4011435, 4278864, 5348580, 6418296, 7131440, 8022870, 8557728, 10697160, 12836592, 14262880, 16045740, 21394320, 25673184, 32091480, 42788640, 64182960, 128365920]

約数ペア:

[(1, 128365920), (2, 64182960), (3, 42788640), (4, 32091480), (5, 25673184), (6, 21394320), (8, 16045740), (9, 14262880), (10, 12836592), (12, 10697160), (15, 8557728), (16, 8022870), (18, 7131440), (20, 6418296), (24, 5348580), (30, 4278864), (32, 4011435), (36, 3565720), (40, 3209148), (45, 2852576), (48, 2674290), (60, 2139432), (72, 1782860), (80, 1604574), (90, 1426288), (96, 1337145), (97, 1323360), (120, 1069716), (144, 891430), (160, 802287), (180, 713144), (194, 661680), (240, 534858), (288, 445715), (291, 441120), (360, 356572), (388, 330840), (480, 267429), (485, 264672), (582, 220560), (720, 178286), (776, 165420), (873, 147040), (919, 139680), (970, 132336), (1164, 110280), (1440, 89143), (1455, 88224), (1552, 82710), (1746, 73520), (1838, 69840), (1940, 66168), (2328, 55140), (2757, 46560), (2910, 44112), (3104, 41355), (3492, 36760), (3676, 34920), (3880, 33084), (4365, 29408), (4595, 27936), (4656, 27570), (5514, 23280), (5820, 22056), (6984, 18380), (7352, 17460), (7760, 16542), (8271, 15520), (8730, 14704), (9190, 13968), (9312, 13785), (11028, 11640)]