280809360

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1579}}^1$

素因数の和:1630

約数の個数: 240

約数和(自身を含む): 1069723200

約数和(自身を除く): 788913840

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 19, 20, 24, 26, 30, 36, 38, 39, 40, 45, 48, 52, 57, 60, 65, 72, 76, 78, 80, 90, 95, 104, 114, 117, 120, 130, 144, 152, 156, 171, 180, 190, 195, 208, 228, 234, 240, 247, 260, 285, 304, 312, 342, 360, 380, 390, 456, 468, 494, 520, 570, 585, 624, 684, 720, 741, 760, 780, 855, 912, 936, 988, 1040, 1140, 1170, 1235, 1368, 1482, 1520, 1560, 1579, 1710, 1872, 1976, 2223, 2280, 2340, 2470, 2736, 2964, 3120, 3158, 3420, 3705, 3952, 4446, 4560, 4680, 4737, 4940, 5928, 6316, 6840, 7410, 7895, 8892, 9360, 9474, 9880, 11115, 11856, 12632, 13680, 14211, 14820, 15790, 17784, 18948, 19760, 20527, 22230, 23685, 25264, 28422, 29640, 30001, 31580, 35568, 37896, 41054, 44460, 47370, 56844, 59280, 60002, 61581, 63160, 71055, 75792, 82108, 88920, 90003, 94740, 102635, 113688, 120004, 123162, 126320, 142110, 150005, 164216, 177840, 180006, 184743, 189480, 205270, 227376, 240008, 246324, 270009, 284220, 300010, 307905, 328432, 360012, 369486, 378960, 390013, 410540, 450015, 480016, 492648, 540018, 568440, 600020, 615810, 720024, 738972, 780026, 821080, 900030, 923715, 985296, 1080036, 1136880, 1170039, 1200040, 1231620, 1350045, 1440048, 1477944, 1560052, 1642160, 1800060, 1847430, 1950065, 2160072, 2340078, 2400080, 2463240, 2700090, 2955888, 3120104, 3510117, 3600120, 3694860, 3900130, 4320144, 4680156, 4926480, 5400180, 5850195, 6240208, 7020234, 7200240, 7389720, 7800260, 9360312, 10800360, 11700390, 14040468, 14779440, 15600520, 17550585, 18720624, 21600720, 23400780, 28080936, 31201040, 35101170, 46801560, 56161872, 70202340, 93603120, 140404680, 280809360]

約数ペア:

[(1, 280809360), (2, 140404680), (3, 93603120), (4, 70202340), (5, 56161872), (6, 46801560), (8, 35101170), (9, 31201040), (10, 28080936), (12, 23400780), (13, 21600720), (15, 18720624), (16, 17550585), (18, 15600520), (19, 14779440), (20, 14040468), (24, 11700390), (26, 10800360), (30, 9360312), (36, 7800260), (38, 7389720), (39, 7200240), (40, 7020234), (45, 6240208), (48, 5850195), (52, 5400180), (57, 4926480), (60, 4680156), (65, 4320144), (72, 3900130), (76, 3694860), (78, 3600120), (80, 3510117), (90, 3120104), (95, 2955888), (104, 2700090), (114, 2463240), (117, 2400080), (120, 2340078), (130, 2160072), (144, 1950065), (152, 1847430), (156, 1800060), (171, 1642160), (180, 1560052), (190, 1477944), (195, 1440048), (208, 1350045), (228, 1231620), (234, 1200040), (240, 1170039), (247, 1136880), (260, 1080036), (285, 985296), (304, 923715), (312, 900030), (342, 821080), (360, 780026), (380, 738972), (390, 720024), (456, 615810), (468, 600020), (494, 568440), (520, 540018), (570, 492648), (585, 480016), (624, 450015), (684, 410540), (720, 390013), (741, 378960), (760, 369486), (780, 360012), (855, 328432), (912, 307905), (936, 300010), (988, 284220), (1040, 270009), (1140, 246324), (1170, 240008), (1235, 227376), (1368, 205270), (1482, 189480), (1520, 184743), (1560, 180006), (1579, 177840), (1710, 164216), (1872, 150005), (1976, 142110), (2223, 126320), (2280, 123162), (2340, 120004), (2470, 113688), (2736, 102635), (2964, 94740), (3120, 90003), (3158, 88920), (3420, 82108), (3705, 75792), (3952, 71055), (4446, 63160), (4560, 61581), (4680, 60002), (4737, 59280), (4940, 56844), (5928, 47370), (6316, 44460), (6840, 41054), (7410, 37896), (7895, 35568), (8892, 31580), (9360, 30001), (9474, 29640), (9880, 28422), (11115, 25264), (11856, 23685), (12632, 22230), (13680, 20527), (14211, 19760), (14820, 18948), (15790, 17784)]