181820160

素因数分解:

$2^8\times 3^3\times 5^1\times {\mathrm{5261}}^1$

素因数の和:5291

約数の個数: 144

約数和(自身を含む): 645331680

約数和(自身を除く): 463511520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 90, 96, 108, 120, 128, 135, 144, 160, 180, 192, 216, 240, 256, 270, 288, 320, 360, 384, 432, 480, 540, 576, 640, 720, 768, 864, 960, 1080, 1152, 1280, 1440, 1728, 1920, 2160, 2304, 2880, 3456, 3840, 4320, 5261, 5760, 6912, 8640, 10522, 11520, 15783, 17280, 21044, 26305, 31566, 34560, 42088, 47349, 52610, 63132, 78915, 84176, 94698, 105220, 126264, 142047, 157830, 168352, 189396, 210440, 236745, 252528, 284094, 315660, 336704, 378792, 420880, 473490, 505056, 568188, 631320, 673408, 710235, 757584, 841760, 946980, 1010112, 1136376, 1262640, 1346816, 1420470, 1515168, 1683520, 1893960, 2020224, 2272752, 2525280, 2840940, 3030336, 3367040, 3787920, 4040448, 4545504, 5050560, 5681880, 6060672, 6734080, 7575840, 9091008, 10101120, 11363760, 12121344, 15151680, 18182016, 20202240, 22727520, 30303360, 36364032, 45455040, 60606720, 90910080, 181820160]

約数ペア:

[(1, 181820160), (2, 90910080), (3, 60606720), (4, 45455040), (5, 36364032), (6, 30303360), (8, 22727520), (9, 20202240), (10, 18182016), (12, 15151680), (15, 12121344), (16, 11363760), (18, 10101120), (20, 9091008), (24, 7575840), (27, 6734080), (30, 6060672), (32, 5681880), (36, 5050560), (40, 4545504), (45, 4040448), (48, 3787920), (54, 3367040), (60, 3030336), (64, 2840940), (72, 2525280), (80, 2272752), (90, 2020224), (96, 1893960), (108, 1683520), (120, 1515168), (128, 1420470), (135, 1346816), (144, 1262640), (160, 1136376), (180, 1010112), (192, 946980), (216, 841760), (240, 757584), (256, 710235), (270, 673408), (288, 631320), (320, 568188), (360, 505056), (384, 473490), (432, 420880), (480, 378792), (540, 336704), (576, 315660), (640, 284094), (720, 252528), (768, 236745), (864, 210440), (960, 189396), (1080, 168352), (1152, 157830), (1280, 142047), (1440, 126264), (1728, 105220), (1920, 94698), (2160, 84176), (2304, 78915), (2880, 63132), (3456, 52610), (3840, 47349), (4320, 42088), (5261, 34560), (5760, 31566), (6912, 26305), (8640, 21044), (10522, 17280), (11520, 15783)]