31944240

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{643}}^1$

素因数の和:688

約数の個数: 160

約数和(自身を含む): 114992640

約数和(自身を除く): 83048400

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 27, 30, 36, 40, 45, 46, 48, 54, 60, 69, 72, 80, 90, 92, 108, 115, 120, 135, 138, 144, 180, 184, 207, 216, 230, 240, 270, 276, 345, 360, 368, 414, 432, 460, 540, 552, 621, 643, 690, 720, 828, 920, 1035, 1080, 1104, 1242, 1286, 1380, 1656, 1840, 1929, 2070, 2160, 2484, 2572, 2760, 3105, 3215, 3312, 3858, 4140, 4968, 5144, 5520, 5787, 6210, 6430, 7716, 8280, 9645, 9936, 10288, 11574, 12420, 12860, 14789, 15432, 16560, 17361, 19290, 23148, 24840, 25720, 28935, 29578, 30864, 34722, 38580, 44367, 46296, 49680, 51440, 57870, 59156, 69444, 73945, 77160, 86805, 88734, 92592, 115740, 118312, 133101, 138888, 147890, 154320, 173610, 177468, 221835, 231480, 236624, 266202, 277776, 295780, 347220, 354936, 399303, 443670, 462960, 532404, 591560, 665505, 694440, 709872, 798606, 887340, 1064808, 1183120, 1331010, 1388880, 1597212, 1774680, 1996515, 2129616, 2662020, 3194424, 3549360, 3993030, 5324040, 6388848, 7986060, 10648080, 15972120, 31944240]

約数ペア:

[(1, 31944240), (2, 15972120), (3, 10648080), (4, 7986060), (5, 6388848), (6, 5324040), (8, 3993030), (9, 3549360), (10, 3194424), (12, 2662020), (15, 2129616), (16, 1996515), (18, 1774680), (20, 1597212), (23, 1388880), (24, 1331010), (27, 1183120), (30, 1064808), (36, 887340), (40, 798606), (45, 709872), (46, 694440), (48, 665505), (54, 591560), (60, 532404), (69, 462960), (72, 443670), (80, 399303), (90, 354936), (92, 347220), (108, 295780), (115, 277776), (120, 266202), (135, 236624), (138, 231480), (144, 221835), (180, 177468), (184, 173610), (207, 154320), (216, 147890), (230, 138888), (240, 133101), (270, 118312), (276, 115740), (345, 92592), (360, 88734), (368, 86805), (414, 77160), (432, 73945), (460, 69444), (540, 59156), (552, 57870), (621, 51440), (643, 49680), (690, 46296), (720, 44367), (828, 38580), (920, 34722), (1035, 30864), (1080, 29578), (1104, 28935), (1242, 25720), (1286, 24840), (1380, 23148), (1656, 19290), (1840, 17361), (1929, 16560), (2070, 15432), (2160, 14789), (2484, 12860), (2572, 12420), (2760, 11574), (3105, 10288), (3215, 9936), (3312, 9645), (3858, 8280), (4140, 7716), (4968, 6430), (5144, 6210), (5520, 5787)]