205611120

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1997}}^1$

素因数の和:2040

約数の個数: 240

約数和(自身を含む): 811635552

約数和(自身を除く): 606024432

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 13, 15, 16, 18, 20, 22, 24, 26, 30, 33, 36, 39, 40, 44, 45, 48, 52, 55, 60, 65, 66, 72, 78, 80, 88, 90, 99, 104, 110, 117, 120, 130, 132, 143, 144, 156, 165, 176, 180, 195, 198, 208, 220, 234, 240, 260, 264, 286, 312, 330, 360, 390, 396, 429, 440, 468, 495, 520, 528, 572, 585, 624, 660, 715, 720, 780, 792, 858, 880, 936, 990, 1040, 1144, 1170, 1287, 1320, 1430, 1560, 1584, 1716, 1872, 1980, 1997, 2145, 2288, 2340, 2574, 2640, 2860, 3120, 3432, 3960, 3994, 4290, 4680, 5148, 5720, 5991, 6435, 6864, 7920, 7988, 8580, 9360, 9985, 10296, 11440, 11982, 12870, 15976, 17160, 17973, 19970, 20592, 21967, 23964, 25740, 25961, 29955, 31952, 34320, 35946, 39940, 43934, 47928, 51480, 51922, 59910, 65901, 71892, 77883, 79880, 87868, 89865, 95856, 102960, 103844, 109835, 119820, 129805, 131802, 143784, 155766, 159760, 175736, 179730, 197703, 207688, 219670, 233649, 239640, 259610, 263604, 285571, 287568, 311532, 329505, 351472, 359460, 389415, 395406, 415376, 439340, 467298, 479280, 519220, 527208, 571142, 623064, 659010, 718920, 778830, 790812, 856713, 878680, 934596, 988515, 1038440, 1054416, 1142284, 1168245, 1246128, 1318020, 1427855, 1437840, 1557660, 1581624, 1713426, 1757360, 1869192, 1977030, 2076880, 2284568, 2336490, 2570139, 2636040, 2855710, 3115320, 3163248, 3426852, 3738384, 3954060, 4283565, 4569136, 4672980, 5140278, 5272080, 5711420, 6230640, 6853704, 7908120, 8567130, 9345960, 10280556, 11422840, 12850695, 13707408, 15816240, 17134260, 18691920, 20561112, 22845680, 25701390, 34268520, 41122224, 51402780, 68537040, 102805560, 205611120]

約数ペア:

[(1, 205611120), (2, 102805560), (3, 68537040), (4, 51402780), (5, 41122224), (6, 34268520), (8, 25701390), (9, 22845680), (10, 20561112), (11, 18691920), (12, 17134260), (13, 15816240), (15, 13707408), (16, 12850695), (18, 11422840), (20, 10280556), (22, 9345960), (24, 8567130), (26, 7908120), (30, 6853704), (33, 6230640), (36, 5711420), (39, 5272080), (40, 5140278), (44, 4672980), (45, 4569136), (48, 4283565), (52, 3954060), (55, 3738384), (60, 3426852), (65, 3163248), (66, 3115320), (72, 2855710), (78, 2636040), (80, 2570139), (88, 2336490), (90, 2284568), (99, 2076880), (104, 1977030), (110, 1869192), (117, 1757360), (120, 1713426), (130, 1581624), (132, 1557660), (143, 1437840), (144, 1427855), (156, 1318020), (165, 1246128), (176, 1168245), (180, 1142284), (195, 1054416), (198, 1038440), (208, 988515), (220, 934596), (234, 878680), (240, 856713), (260, 790812), (264, 778830), (286, 718920), (312, 659010), (330, 623064), (360, 571142), (390, 527208), (396, 519220), (429, 479280), (440, 467298), (468, 439340), (495, 415376), (520, 395406), (528, 389415), (572, 359460), (585, 351472), (624, 329505), (660, 311532), (715, 287568), (720, 285571), (780, 263604), (792, 259610), (858, 239640), (880, 233649), (936, 219670), (990, 207688), (1040, 197703), (1144, 179730), (1170, 175736), (1287, 159760), (1320, 155766), (1430, 143784), (1560, 131802), (1584, 129805), (1716, 119820), (1872, 109835), (1980, 103844), (1997, 102960), (2145, 95856), (2288, 89865), (2340, 87868), (2574, 79880), (2640, 77883), (2860, 71892), (3120, 65901), (3432, 59910), (3960, 51922), (3994, 51480), (4290, 47928), (4680, 43934), (5148, 39940), (5720, 35946), (5991, 34320), (6435, 31952), (6864, 29955), (7920, 25961), (7988, 25740), (8580, 23964), (9360, 21967), (9985, 20592), (10296, 19970), (11440, 17973), (11982, 17160), (12870, 15976)]