71991920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1$

素因数の和:104

約数の個数: 320

約数和(自身を含む): 239984640

約数和(自身を除く): 167992720

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 13, 14, 16, 20, 22, 26, 28, 29, 31, 35, 40, 44, 52, 55, 56, 58, 62, 65, 70, 77, 80, 88, 91, 104, 110, 112, 116, 124, 130, 140, 143, 145, 154, 155, 176, 182, 203, 208, 217, 220, 232, 248, 260, 280, 286, 290, 308, 310, 319, 341, 364, 377, 385, 403, 406, 434, 440, 455, 464, 496, 520, 560, 572, 580, 616, 620, 638, 682, 715, 728, 754, 770, 806, 812, 868, 880, 899, 910, 1001, 1015, 1040, 1085, 1144, 1160, 1232, 1240, 1276, 1364, 1430, 1456, 1508, 1540, 1595, 1612, 1624, 1705, 1736, 1798, 1820, 1885, 2002, 2015, 2030, 2170, 2233, 2288, 2320, 2387, 2480, 2552, 2639, 2728, 2821, 2860, 3016, 3080, 3190, 3224, 3248, 3410, 3472, 3596, 3640, 3770, 4004, 4030, 4060, 4147, 4340, 4433, 4466, 4495, 4774, 5005, 5104, 5278, 5456, 5642, 5720, 6032, 6160, 6293, 6380, 6448, 6820, 7192, 7280, 7540, 8008, 8060, 8120, 8294, 8680, 8866, 8932, 8990, 9548, 9889, 10010, 10556, 11165, 11284, 11440, 11687, 11935, 12586, 12760, 13195, 13640, 14105, 14384, 15080, 16016, 16120, 16240, 16588, 17360, 17732, 17864, 17980, 19096, 19778, 20020, 20735, 21112, 22165, 22330, 22568, 23374, 23870, 25172, 25520, 26390, 27280, 28210, 29029, 30160, 31031, 31465, 32240, 33176, 35464, 35728, 35960, 38192, 39556, 40040, 41470, 42224, 44330, 44660, 45136, 46748, 47740, 49445, 50344, 52780, 56420, 58058, 58435, 62062, 62930, 66352, 69223, 70928, 71920, 79112, 80080, 81809, 82940, 88660, 89320, 93496, 95480, 98890, 100688, 105560, 112840, 116116, 116870, 124124, 125860, 128557, 138446, 145145, 155155, 158224, 163618, 165880, 177320, 178640, 186992, 190960, 197780, 211120, 225680, 232232, 233740, 248248, 251720, 257114, 276892, 290290, 310310, 327236, 331760, 346115, 354640, 395560, 409045, 464464, 467480, 496496, 503440, 514228, 553784, 580580, 620620, 642785, 654472, 692230, 791120, 818090, 899899, 934960, 1028456, 1107568, 1161160, 1241240, 1285570, 1308944, 1384460, 1636180, 1799798, 2056912, 2322320, 2482480, 2571140, 2768920, 3272360, 3599596, 4499495, 5142280, 5537840, 6544720, 7199192, 8998990, 10284560, 14398384, 17997980, 35995960, 71991920]

約数ペア:

[(1, 71991920), (2, 35995960), (4, 17997980), (5, 14398384), (7, 10284560), (8, 8998990), (10, 7199192), (11, 6544720), (13, 5537840), (14, 5142280), (16, 4499495), (20, 3599596), (22, 3272360), (26, 2768920), (28, 2571140), (29, 2482480), (31, 2322320), (35, 2056912), (40, 1799798), (44, 1636180), (52, 1384460), (55, 1308944), (56, 1285570), (58, 1241240), (62, 1161160), (65, 1107568), (70, 1028456), (77, 934960), (80, 899899), (88, 818090), (91, 791120), (104, 692230), (110, 654472), (112, 642785), (116, 620620), (124, 580580), (130, 553784), (140, 514228), (143, 503440), (145, 496496), (154, 467480), (155, 464464), (176, 409045), (182, 395560), (203, 354640), (208, 346115), (217, 331760), (220, 327236), (232, 310310), (248, 290290), (260, 276892), (280, 257114), (286, 251720), (290, 248248), (308, 233740), (310, 232232), (319, 225680), (341, 211120), (364, 197780), (377, 190960), (385, 186992), (403, 178640), (406, 177320), (434, 165880), (440, 163618), (455, 158224), (464, 155155), (496, 145145), (520, 138446), (560, 128557), (572, 125860), (580, 124124), (616, 116870), (620, 116116), (638, 112840), (682, 105560), (715, 100688), (728, 98890), (754, 95480), (770, 93496), (806, 89320), (812, 88660), (868, 82940), (880, 81809), (899, 80080), (910, 79112), (1001, 71920), (1015, 70928), (1040, 69223), (1085, 66352), (1144, 62930), (1160, 62062), (1232, 58435), (1240, 58058), (1276, 56420), (1364, 52780), (1430, 50344), (1456, 49445), (1508, 47740), (1540, 46748), (1595, 45136), (1612, 44660), (1624, 44330), (1705, 42224), (1736, 41470), (1798, 40040), (1820, 39556), (1885, 38192), (2002, 35960), (2015, 35728), (2030, 35464), (2170, 33176), (2233, 32240), (2288, 31465), (2320, 31031), (2387, 30160), (2480, 29029), (2552, 28210), (2639, 27280), (2728, 26390), (2821, 25520), (2860, 25172), (3016, 23870), (3080, 23374), (3190, 22568), (3224, 22330), (3248, 22165), (3410, 21112), (3472, 20735), (3596, 20020), (3640, 19778), (3770, 19096), (4004, 17980), (4030, 17864), (4060, 17732), (4147, 17360), (4340, 16588), (4433, 16240), (4466, 16120), (4495, 16016), (4774, 15080), (5005, 14384), (5104, 14105), (5278, 13640), (5456, 13195), (5642, 12760), (5720, 12586), (6032, 11935), (6160, 11687), (6293, 11440), (6380, 11284), (6448, 11165), (6820, 10556), (7192, 10010), (7280, 9889), (7540, 9548), (8008, 8990), (8060, 8932), (8120, 8866), (8294, 8680)]