1728178440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{443}}^1$

素因数の和:564

約数の個数: 256

約数和(自身を含む): 5754240000

約数和(自身を除く): 4026061560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 29, 30, 38, 40, 57, 58, 59, 60, 76, 87, 95, 114, 116, 118, 120, 145, 152, 174, 177, 190, 228, 232, 236, 285, 290, 295, 348, 354, 380, 435, 443, 456, 472, 551, 570, 580, 590, 696, 708, 760, 870, 885, 886, 1102, 1121, 1140, 1160, 1180, 1329, 1416, 1653, 1711, 1740, 1770, 1772, 2204, 2215, 2242, 2280, 2360, 2658, 2755, 3306, 3363, 3422, 3480, 3540, 3544, 4408, 4430, 4484, 5133, 5316, 5510, 5605, 6612, 6645, 6726, 6844, 7080, 8265, 8417, 8555, 8860, 8968, 10266, 10632, 11020, 11210, 12847, 13224, 13290, 13452, 13688, 16530, 16815, 16834, 17110, 17720, 20532, 22040, 22420, 25251, 25665, 25694, 26137, 26580, 26904, 32509, 33060, 33630, 33668, 34220, 38541, 41064, 42085, 44840, 50502, 51330, 51388, 52274, 53160, 64235, 65018, 66120, 67260, 67336, 68440, 77082, 78411, 84170, 97527, 101004, 102660, 102776, 104548, 126255, 128470, 130036, 130685, 134520, 154164, 156822, 162545, 168340, 192705, 195054, 202008, 205320, 209096, 244093, 252510, 256940, 260072, 261370, 308328, 313644, 325090, 336680, 385410, 390108, 392055, 487635, 488186, 496603, 505020, 513880, 522740, 627288, 650180, 732279, 757973, 770820, 780216, 784110, 975270, 976372, 993206, 1010040, 1045480, 1220465, 1300360, 1464558, 1489809, 1515946, 1541640, 1568220, 1950540, 1952744, 1986412, 2273919, 2440930, 2483015, 2929116, 2979618, 3031892, 3136440, 3661395, 3789865, 3901080, 3972824, 4547838, 4881860, 4966030, 5858232, 5959236, 6063784, 7322790, 7449045, 7579730, 9095676, 9763720, 9932060, 11369595, 11918472, 14401487, 14645580, 14898090, 15159460, 18191352, 19864120, 22739190, 28802974, 29291160, 29796180, 30318920, 43204461, 45478380, 57605948, 59592360, 72007435, 86408922, 90956760, 115211896, 144014870, 172817844, 216022305, 288029740, 345635688, 432044610, 576059480, 864089220, 1728178440]

約数ペア:

[(1, 1728178440), (2, 864089220), (3, 576059480), (4, 432044610), (5, 345635688), (6, 288029740), (8, 216022305), (10, 172817844), (12, 144014870), (15, 115211896), (19, 90956760), (20, 86408922), (24, 72007435), (29, 59592360), (30, 57605948), (38, 45478380), (40, 43204461), (57, 30318920), (58, 29796180), (59, 29291160), (60, 28802974), (76, 22739190), (87, 19864120), (95, 18191352), (114, 15159460), (116, 14898090), (118, 14645580), (120, 14401487), (145, 11918472), (152, 11369595), (174, 9932060), (177, 9763720), (190, 9095676), (228, 7579730), (232, 7449045), (236, 7322790), (285, 6063784), (290, 5959236), (295, 5858232), (348, 4966030), (354, 4881860), (380, 4547838), (435, 3972824), (443, 3901080), (456, 3789865), (472, 3661395), (551, 3136440), (570, 3031892), (580, 2979618), (590, 2929116), (696, 2483015), (708, 2440930), (760, 2273919), (870, 1986412), (885, 1952744), (886, 1950540), (1102, 1568220), (1121, 1541640), (1140, 1515946), (1160, 1489809), (1180, 1464558), (1329, 1300360), (1416, 1220465), (1653, 1045480), (1711, 1010040), (1740, 993206), (1770, 976372), (1772, 975270), (2204, 784110), (2215, 780216), (2242, 770820), (2280, 757973), (2360, 732279), (2658, 650180), (2755, 627288), (3306, 522740), (3363, 513880), (3422, 505020), (3480, 496603), (3540, 488186), (3544, 487635), (4408, 392055), (4430, 390108), (4484, 385410), (5133, 336680), (5316, 325090), (5510, 313644), (5605, 308328), (6612, 261370), (6645, 260072), (6726, 256940), (6844, 252510), (7080, 244093), (8265, 209096), (8417, 205320), (8555, 202008), (8860, 195054), (8968, 192705), (10266, 168340), (10632, 162545), (11020, 156822), (11210, 154164), (12847, 134520), (13224, 130685), (13290, 130036), (13452, 128470), (13688, 126255), (16530, 104548), (16815, 102776), (16834, 102660), (17110, 101004), (17720, 97527), (20532, 84170), (22040, 78411), (22420, 77082), (25251, 68440), (25665, 67336), (25694, 67260), (26137, 66120), (26580, 65018), (26904, 64235), (32509, 53160), (33060, 52274), (33630, 51388), (33668, 51330), (34220, 50502), (38541, 44840), (41064, 42085)]