123203080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{181}}^1$

素因数の和:240

約数の個数: 256

約数和(自身を含む): 396264960

約数和(自身を除く): 273061880

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 13, 14, 17, 20, 22, 26, 28, 34, 35, 40, 44, 52, 55, 56, 65, 68, 70, 77, 85, 88, 91, 104, 110, 119, 130, 136, 140, 143, 154, 170, 181, 182, 187, 220, 221, 238, 260, 280, 286, 308, 340, 362, 364, 374, 385, 440, 442, 455, 476, 520, 572, 595, 616, 680, 715, 724, 728, 748, 770, 884, 905, 910, 935, 952, 1001, 1105, 1144, 1190, 1267, 1309, 1430, 1448, 1496, 1540, 1547, 1768, 1810, 1820, 1870, 1991, 2002, 2210, 2353, 2380, 2431, 2534, 2618, 2860, 3077, 3080, 3094, 3620, 3640, 3740, 3982, 4004, 4420, 4706, 4760, 4862, 5005, 5068, 5236, 5720, 6154, 6188, 6335, 6545, 7240, 7480, 7735, 7964, 8008, 8840, 9412, 9724, 9955, 10010, 10136, 10472, 11765, 12155, 12308, 12376, 12670, 13090, 13937, 15385, 15470, 15928, 16471, 17017, 18824, 19448, 19910, 20020, 21539, 23530, 24310, 24616, 25340, 25883, 26180, 27874, 30770, 30940, 32942, 33847, 34034, 39820, 40001, 40040, 43078, 47060, 48620, 50680, 51766, 52360, 55748, 61540, 61880, 65884, 67694, 68068, 69685, 79640, 80002, 82355, 85085, 86156, 94120, 97240, 103532, 107695, 111496, 123080, 129415, 131768, 135388, 136136, 139370, 160004, 164710, 169235, 170170, 172312, 181181, 200005, 207064, 215390, 236929, 258830, 270776, 278740, 280007, 320008, 329420, 338470, 340340, 362362, 400010, 430780, 440011, 473858, 517660, 557480, 560014, 658840, 676940, 680680, 724724, 800020, 861560, 880022, 905905, 947716, 1035320, 1120028, 1184645, 1353880, 1400035, 1449448, 1600040, 1760044, 1811810, 1895432, 2200055, 2240056, 2369290, 2800070, 3080077, 3520088, 3623620, 4400110, 4738580, 5600140, 6160154, 7247240, 8800220, 9477160, 11200280, 12320308, 15400385, 17600440, 24640616, 30800770, 61601540, 123203080]

約数ペア:

[(1, 123203080), (2, 61601540), (4, 30800770), (5, 24640616), (7, 17600440), (8, 15400385), (10, 12320308), (11, 11200280), (13, 9477160), (14, 8800220), (17, 7247240), (20, 6160154), (22, 5600140), (26, 4738580), (28, 4400110), (34, 3623620), (35, 3520088), (40, 3080077), (44, 2800070), (52, 2369290), (55, 2240056), (56, 2200055), (65, 1895432), (68, 1811810), (70, 1760044), (77, 1600040), (85, 1449448), (88, 1400035), (91, 1353880), (104, 1184645), (110, 1120028), (119, 1035320), (130, 947716), (136, 905905), (140, 880022), (143, 861560), (154, 800020), (170, 724724), (181, 680680), (182, 676940), (187, 658840), (220, 560014), (221, 557480), (238, 517660), (260, 473858), (280, 440011), (286, 430780), (308, 400010), (340, 362362), (362, 340340), (364, 338470), (374, 329420), (385, 320008), (440, 280007), (442, 278740), (455, 270776), (476, 258830), (520, 236929), (572, 215390), (595, 207064), (616, 200005), (680, 181181), (715, 172312), (724, 170170), (728, 169235), (748, 164710), (770, 160004), (884, 139370), (905, 136136), (910, 135388), (935, 131768), (952, 129415), (1001, 123080), (1105, 111496), (1144, 107695), (1190, 103532), (1267, 97240), (1309, 94120), (1430, 86156), (1448, 85085), (1496, 82355), (1540, 80002), (1547, 79640), (1768, 69685), (1810, 68068), (1820, 67694), (1870, 65884), (1991, 61880), (2002, 61540), (2210, 55748), (2353, 52360), (2380, 51766), (2431, 50680), (2534, 48620), (2618, 47060), (2860, 43078), (3077, 40040), (3080, 40001), (3094, 39820), (3620, 34034), (3640, 33847), (3740, 32942), (3982, 30940), (4004, 30770), (4420, 27874), (4706, 26180), (4760, 25883), (4862, 25340), (5005, 24616), (5068, 24310), (5236, 23530), (5720, 21539), (6154, 20020), (6188, 19910), (6335, 19448), (6545, 18824), (7240, 17017), (7480, 16471), (7735, 15928), (7964, 15470), (8008, 15385), (8840, 13937), (9412, 13090), (9724, 12670), (9955, 12376), (10010, 12308), (10136, 12155), (10472, 11765)]