131428080

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{293}}^1$

素因数の和:408

約数の個数: 240

約数和(自身を含む): 511842240

約数和(自身を除く): 380414160

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 89, 90, 105, 112, 120, 126, 140, 144, 168, 178, 180, 210, 240, 252, 267, 280, 293, 315, 336, 356, 360, 420, 445, 504, 534, 560, 586, 623, 630, 712, 720, 801, 840, 879, 890, 1008, 1068, 1172, 1246, 1260, 1335, 1424, 1465, 1602, 1680, 1758, 1780, 1869, 2051, 2136, 2344, 2492, 2520, 2637, 2670, 2930, 3115, 3204, 3516, 3560, 3738, 4005, 4102, 4272, 4395, 4688, 4984, 5040, 5274, 5340, 5607, 5860, 6153, 6230, 6408, 7032, 7120, 7476, 8010, 8204, 8790, 9345, 9968, 10255, 10548, 10680, 11214, 11720, 12306, 12460, 12816, 13185, 14064, 14952, 16020, 16408, 17580, 18459, 18690, 20510, 21096, 21360, 22428, 23440, 24612, 24920, 26077, 26370, 28035, 29904, 30765, 32040, 32816, 35160, 36918, 37380, 41020, 42192, 44856, 49224, 49840, 52154, 52740, 56070, 61530, 64080, 70320, 73836, 74760, 78231, 82040, 89712, 92295, 98448, 104308, 105480, 112140, 123060, 130385, 147672, 149520, 156462, 164080, 182539, 184590, 208616, 210960, 224280, 234693, 246120, 260770, 295344, 312924, 365078, 369180, 391155, 417232, 448560, 469386, 492240, 521540, 547617, 625848, 730156, 738360, 782310, 912695, 938772, 1043080, 1095234, 1173465, 1251696, 1460312, 1476720, 1564620, 1642851, 1825390, 1877544, 2086160, 2190468, 2346930, 2738085, 2920624, 3129240, 3285702, 3650780, 3755088, 4380936, 4693860, 5476170, 6258480, 6571404, 7301560, 8214255, 8761872, 9387720, 10952340, 13142808, 14603120, 16428510, 18775440, 21904680, 26285616, 32857020, 43809360, 65714040, 131428080]

約数ペア:

[(1, 131428080), (2, 65714040), (3, 43809360), (4, 32857020), (5, 26285616), (6, 21904680), (7, 18775440), (8, 16428510), (9, 14603120), (10, 13142808), (12, 10952340), (14, 9387720), (15, 8761872), (16, 8214255), (18, 7301560), (20, 6571404), (21, 6258480), (24, 5476170), (28, 4693860), (30, 4380936), (35, 3755088), (36, 3650780), (40, 3285702), (42, 3129240), (45, 2920624), (48, 2738085), (56, 2346930), (60, 2190468), (63, 2086160), (70, 1877544), (72, 1825390), (80, 1642851), (84, 1564620), (89, 1476720), (90, 1460312), (105, 1251696), (112, 1173465), (120, 1095234), (126, 1043080), (140, 938772), (144, 912695), (168, 782310), (178, 738360), (180, 730156), (210, 625848), (240, 547617), (252, 521540), (267, 492240), (280, 469386), (293, 448560), (315, 417232), (336, 391155), (356, 369180), (360, 365078), (420, 312924), (445, 295344), (504, 260770), (534, 246120), (560, 234693), (586, 224280), (623, 210960), (630, 208616), (712, 184590), (720, 182539), (801, 164080), (840, 156462), (879, 149520), (890, 147672), (1008, 130385), (1068, 123060), (1172, 112140), (1246, 105480), (1260, 104308), (1335, 98448), (1424, 92295), (1465, 89712), (1602, 82040), (1680, 78231), (1758, 74760), (1780, 73836), (1869, 70320), (2051, 64080), (2136, 61530), (2344, 56070), (2492, 52740), (2520, 52154), (2637, 49840), (2670, 49224), (2930, 44856), (3115, 42192), (3204, 41020), (3516, 37380), (3560, 36918), (3738, 35160), (4005, 32816), (4102, 32040), (4272, 30765), (4395, 29904), (4688, 28035), (4984, 26370), (5040, 26077), (5274, 24920), (5340, 24612), (5607, 23440), (5860, 22428), (6153, 21360), (6230, 21096), (6408, 20510), (7032, 18690), (7120, 18459), (7476, 17580), (8010, 16408), (8204, 16020), (8790, 14952), (9345, 14064), (9968, 13185), (10255, 12816), (10548, 12460), (10680, 12306), (11214, 11720)]