1639278080

素因数分解:

$2^9\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{2531}}^1$

素因数の和:2588

約数の個数: 160

約数和(自身を含む): 4475927808

約数和(自身を除く): 2836649728

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 23, 32, 40, 44, 46, 55, 64, 80, 88, 92, 110, 115, 128, 160, 176, 184, 220, 230, 253, 256, 320, 352, 368, 440, 460, 506, 512, 640, 704, 736, 880, 920, 1012, 1265, 1280, 1408, 1472, 1760, 1840, 2024, 2530, 2531, 2560, 2816, 2944, 3520, 3680, 4048, 5060, 5062, 5632, 5888, 7040, 7360, 8096, 10120, 10124, 11776, 12655, 14080, 14720, 16192, 20240, 20248, 25310, 27841, 28160, 29440, 32384, 40480, 40496, 50620, 55682, 58213, 58880, 64768, 80960, 80992, 101240, 111364, 116426, 129536, 139205, 161920, 161984, 202480, 222728, 232852, 278410, 291065, 323840, 323968, 404960, 445456, 465704, 556820, 582130, 640343, 647680, 647936, 809920, 890912, 931408, 1113640, 1164260, 1280686, 1295872, 1619840, 1781824, 1862816, 2227280, 2328520, 2561372, 3201715, 3239680, 3563648, 3725632, 4454560, 4657040, 5122744, 6403430, 6479360, 7127296, 7451264, 8909120, 9314080, 10245488, 12806860, 14254592, 14902528, 17818240, 18628160, 20490976, 25613720, 29805056, 35636480, 37256320, 40981952, 51227440, 71272960, 74512640, 81963904, 102454880, 149025280, 163927808, 204909760, 327855616, 409819520, 819639040, 1639278080]

約数ペア:

[(1, 1639278080), (2, 819639040), (4, 409819520), (5, 327855616), (8, 204909760), (10, 163927808), (11, 149025280), (16, 102454880), (20, 81963904), (22, 74512640), (23, 71272960), (32, 51227440), (40, 40981952), (44, 37256320), (46, 35636480), (55, 29805056), (64, 25613720), (80, 20490976), (88, 18628160), (92, 17818240), (110, 14902528), (115, 14254592), (128, 12806860), (160, 10245488), (176, 9314080), (184, 8909120), (220, 7451264), (230, 7127296), (253, 6479360), (256, 6403430), (320, 5122744), (352, 4657040), (368, 4454560), (440, 3725632), (460, 3563648), (506, 3239680), (512, 3201715), (640, 2561372), (704, 2328520), (736, 2227280), (880, 1862816), (920, 1781824), (1012, 1619840), (1265, 1295872), (1280, 1280686), (1408, 1164260), (1472, 1113640), (1760, 931408), (1840, 890912), (2024, 809920), (2530, 647936), (2531, 647680), (2560, 640343), (2816, 582130), (2944, 556820), (3520, 465704), (3680, 445456), (4048, 404960), (5060, 323968), (5062, 323840), (5632, 291065), (5888, 278410), (7040, 232852), (7360, 222728), (8096, 202480), (10120, 161984), (10124, 161920), (11776, 139205), (12655, 129536), (14080, 116426), (14720, 111364), (16192, 101240), (20240, 80992), (20248, 80960), (25310, 64768), (27841, 58880), (28160, 58213), (29440, 55682), (32384, 50620), (40480, 40496)]