23143120

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2$

素因数の和:78

約数の個数: 240

約数和(自身を含む): 76745088

約数和(自身を除く): 53601968

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 13, 14, 16, 17, 20, 22, 26, 28, 34, 35, 40, 44, 52, 55, 56, 65, 68, 70, 77, 80, 85, 88, 91, 104, 110, 112, 119, 130, 136, 140, 143, 154, 170, 176, 182, 187, 208, 220, 221, 238, 260, 272, 280, 286, 289, 308, 340, 364, 374, 385, 440, 442, 455, 476, 520, 560, 572, 578, 595, 616, 680, 715, 728, 748, 770, 880, 884, 910, 935, 952, 1001, 1040, 1105, 1144, 1156, 1190, 1232, 1309, 1360, 1430, 1445, 1456, 1496, 1540, 1547, 1768, 1820, 1870, 1904, 2002, 2023, 2210, 2288, 2312, 2380, 2431, 2618, 2860, 2890, 2992, 3080, 3094, 3179, 3536, 3640, 3740, 3757, 4004, 4046, 4420, 4624, 4760, 4862, 5005, 5236, 5720, 5780, 6160, 6188, 6358, 6545, 7280, 7480, 7514, 7735, 8008, 8092, 8840, 9520, 9724, 10010, 10115, 10472, 11440, 11560, 12155, 12376, 12716, 13090, 14960, 15028, 15470, 15895, 16016, 16184, 17017, 17680, 18785, 19448, 20020, 20230, 20944, 22253, 23120, 24310, 24752, 25432, 26180, 26299, 30056, 30940, 31790, 32368, 34034, 37570, 38896, 40040, 40460, 41327, 44506, 48620, 50864, 52360, 52598, 60112, 61880, 63580, 68068, 75140, 80080, 80920, 82654, 85085, 89012, 97240, 104720, 105196, 111265, 123760, 127160, 131495, 136136, 150280, 161840, 165308, 170170, 178024, 194480, 206635, 210392, 222530, 254320, 262990, 272272, 289289, 300560, 330616, 340340, 356048, 413270, 420784, 445060, 525980, 578578, 661232, 680680, 826540, 890120, 1051960, 1157156, 1361360, 1446445, 1653080, 1780240, 2103920, 2314312, 2892890, 3306160, 4628624, 5785780, 11571560, 23143120]

約数ペア:

[(1, 23143120), (2, 11571560), (4, 5785780), (5, 4628624), (7, 3306160), (8, 2892890), (10, 2314312), (11, 2103920), (13, 1780240), (14, 1653080), (16, 1446445), (17, 1361360), (20, 1157156), (22, 1051960), (26, 890120), (28, 826540), (34, 680680), (35, 661232), (40, 578578), (44, 525980), (52, 445060), (55, 420784), (56, 413270), (65, 356048), (68, 340340), (70, 330616), (77, 300560), (80, 289289), (85, 272272), (88, 262990), (91, 254320), (104, 222530), (110, 210392), (112, 206635), (119, 194480), (130, 178024), (136, 170170), (140, 165308), (143, 161840), (154, 150280), (170, 136136), (176, 131495), (182, 127160), (187, 123760), (208, 111265), (220, 105196), (221, 104720), (238, 97240), (260, 89012), (272, 85085), (280, 82654), (286, 80920), (289, 80080), (308, 75140), (340, 68068), (364, 63580), (374, 61880), (385, 60112), (440, 52598), (442, 52360), (455, 50864), (476, 48620), (520, 44506), (560, 41327), (572, 40460), (578, 40040), (595, 38896), (616, 37570), (680, 34034), (715, 32368), (728, 31790), (748, 30940), (770, 30056), (880, 26299), (884, 26180), (910, 25432), (935, 24752), (952, 24310), (1001, 23120), (1040, 22253), (1105, 20944), (1144, 20230), (1156, 20020), (1190, 19448), (1232, 18785), (1309, 17680), (1360, 17017), (1430, 16184), (1445, 16016), (1456, 15895), (1496, 15470), (1540, 15028), (1547, 14960), (1768, 13090), (1820, 12716), (1870, 12376), (1904, 12155), (2002, 11560), (2023, 11440), (2210, 10472), (2288, 10115), (2312, 10010), (2380, 9724), (2431, 9520), (2618, 8840), (2860, 8092), (2890, 8008), (2992, 7735), (3080, 7514), (3094, 7480), (3179, 7280), (3536, 6545), (3640, 6358), (3740, 6188), (3757, 6160), (4004, 5780), (4046, 5720), (4420, 5236), (4624, 5005), (4760, 4862)]