661530240

素因数分解:

$2^7\times 3^4\times 5^1\times 7^1\times {\mathrm{1823}}^1$

素因数の和:1861

約数の個数: 320

約数和(自身を含む): 2701416960

約数和(自身を除く): 2039886720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 64, 70, 72, 80, 81, 84, 90, 96, 105, 108, 112, 120, 126, 128, 135, 140, 144, 160, 162, 168, 180, 189, 192, 210, 216, 224, 240, 252, 270, 280, 288, 315, 320, 324, 336, 360, 378, 384, 405, 420, 432, 448, 480, 504, 540, 560, 567, 576, 630, 640, 648, 672, 720, 756, 810, 840, 864, 896, 945, 960, 1008, 1080, 1120, 1134, 1152, 1260, 1296, 1344, 1440, 1512, 1620, 1680, 1728, 1823, 1890, 1920, 2016, 2160, 2240, 2268, 2520, 2592, 2688, 2835, 2880, 3024, 3240, 3360, 3456, 3646, 3780, 4032, 4320, 4480, 4536, 5040, 5184, 5469, 5670, 5760, 6048, 6480, 6720, 7292, 7560, 8064, 8640, 9072, 9115, 10080, 10368, 10938, 11340, 12096, 12761, 12960, 13440, 14584, 15120, 16407, 17280, 18144, 18230, 20160, 21876, 22680, 24192, 25522, 25920, 27345, 29168, 30240, 32814, 36288, 36460, 38283, 40320, 43752, 45360, 49221, 51044, 51840, 54690, 58336, 60480, 63805, 65628, 72576, 72920, 76566, 82035, 87504, 90720, 98442, 102088, 109380, 114849, 116672, 120960, 127610, 131256, 145840, 147663, 153132, 164070, 175008, 181440, 191415, 196884, 204176, 218760, 229698, 233344, 246105, 255220, 262512, 291680, 295326, 306264, 328140, 344547, 350016, 362880, 382830, 393768, 408352, 437520, 459396, 492210, 510440, 525024, 574245, 583360, 590652, 612528, 656280, 689094, 700032, 738315, 765660, 787536, 816704, 875040, 918792, 984420, 1020880, 1033641, 1050048, 1148490, 1166720, 1181304, 1225056, 1312560, 1378188, 1476630, 1531320, 1575072, 1633408, 1722735, 1750080, 1837584, 1968840, 2041760, 2067282, 2100096, 2296980, 2362608, 2450112, 2625120, 2756376, 2953260, 3062640, 3150144, 3445470, 3500160, 3675168, 3937680, 4083520, 4134564, 4593960, 4725216, 4900224, 5168205, 5250240, 5512752, 5906520, 6125280, 6300288, 6890940, 7350336, 7875360, 8167040, 8269128, 9187920, 9450432, 10336410, 10500480, 11025504, 11813040, 12250560, 13781880, 14700672, 15750720, 16538256, 18375840, 18900864, 20672820, 22051008, 23626080, 24501120, 27563760, 31501440, 33076512, 36751680, 41345640, 44102016, 47252160, 55127520, 66153024, 73503360, 82691280, 94504320, 110255040, 132306048, 165382560, 220510080, 330765120, 661530240]

約数ペア:

[(1, 661530240), (2, 330765120), (3, 220510080), (4, 165382560), (5, 132306048), (6, 110255040), (7, 94504320), (8, 82691280), (9, 73503360), (10, 66153024), (12, 55127520), (14, 47252160), (15, 44102016), (16, 41345640), (18, 36751680), (20, 33076512), (21, 31501440), (24, 27563760), (27, 24501120), (28, 23626080), (30, 22051008), (32, 20672820), (35, 18900864), (36, 18375840), (40, 16538256), (42, 15750720), (45, 14700672), (48, 13781880), (54, 12250560), (56, 11813040), (60, 11025504), (63, 10500480), (64, 10336410), (70, 9450432), (72, 9187920), (80, 8269128), (81, 8167040), (84, 7875360), (90, 7350336), (96, 6890940), (105, 6300288), (108, 6125280), (112, 5906520), (120, 5512752), (126, 5250240), (128, 5168205), (135, 4900224), (140, 4725216), (144, 4593960), (160, 4134564), (162, 4083520), (168, 3937680), (180, 3675168), (189, 3500160), (192, 3445470), (210, 3150144), (216, 3062640), (224, 2953260), (240, 2756376), (252, 2625120), (270, 2450112), (280, 2362608), (288, 2296980), (315, 2100096), (320, 2067282), (324, 2041760), (336, 1968840), (360, 1837584), (378, 1750080), (384, 1722735), (405, 1633408), (420, 1575072), (432, 1531320), (448, 1476630), (480, 1378188), (504, 1312560), (540, 1225056), (560, 1181304), (567, 1166720), (576, 1148490), (630, 1050048), (640, 1033641), (648, 1020880), (672, 984420), (720, 918792), (756, 875040), (810, 816704), (840, 787536), (864, 765660), (896, 738315), (945, 700032), (960, 689094), (1008, 656280), (1080, 612528), (1120, 590652), (1134, 583360), (1152, 574245), (1260, 525024), (1296, 510440), (1344, 492210), (1440, 459396), (1512, 437520), (1620, 408352), (1680, 393768), (1728, 382830), (1823, 362880), (1890, 350016), (1920, 344547), (2016, 328140), (2160, 306264), (2240, 295326), (2268, 291680), (2520, 262512), (2592, 255220), (2688, 246105), (2835, 233344), (2880, 229698), (3024, 218760), (3240, 204176), (3360, 196884), (3456, 191415), (3646, 181440), (3780, 175008), (4032, 164070), (4320, 153132), (4480, 147663), (4536, 145840), (5040, 131256), (5184, 127610), (5469, 120960), (5670, 116672), (5760, 114849), (6048, 109380), (6480, 102088), (6720, 98442), (7292, 90720), (7560, 87504), (8064, 82035), (8640, 76566), (9072, 72920), (9115, 72576), (10080, 65628), (10368, 63805), (10938, 60480), (11340, 58336), (12096, 54690), (12761, 51840), (12960, 51044), (13440, 49221), (14584, 45360), (15120, 43752), (16407, 40320), (17280, 38283), (18144, 36460), (18230, 36288), (20160, 32814), (21876, 30240), (22680, 29168), (24192, 27345), (25522, 25920)]