68667480

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{293}}^1$

素因数の和:351

約数の個数: 256

約数和(自身を含む): 270950400

約数和(自身を除く): 202282920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 31, 35, 36, 40, 42, 45, 54, 56, 60, 62, 63, 70, 72, 84, 90, 93, 105, 108, 120, 124, 126, 135, 140, 155, 168, 180, 186, 189, 210, 216, 217, 248, 252, 270, 279, 280, 293, 310, 315, 360, 372, 378, 420, 434, 465, 504, 540, 558, 586, 620, 630, 651, 744, 756, 837, 840, 868, 879, 930, 945, 1080, 1085, 1116, 1172, 1240, 1260, 1302, 1395, 1465, 1512, 1674, 1736, 1758, 1860, 1890, 1953, 2051, 2170, 2232, 2344, 2520, 2604, 2637, 2790, 2930, 3255, 3348, 3516, 3720, 3780, 3906, 4102, 4185, 4340, 4395, 5208, 5274, 5580, 5859, 5860, 6153, 6510, 6696, 7032, 7560, 7812, 7911, 8204, 8370, 8680, 8790, 9083, 9765, 10255, 10548, 11160, 11718, 11720, 12306, 13020, 13185, 15624, 15822, 16408, 16740, 17580, 18166, 18459, 19530, 20510, 21096, 23436, 24612, 26040, 26370, 27249, 29295, 30765, 31644, 33480, 35160, 36332, 36918, 39060, 39555, 41020, 45415, 46872, 49224, 52740, 54498, 55377, 58590, 61530, 63288, 63581, 72664, 73836, 78120, 79110, 81747, 82040, 90830, 92295, 105480, 108996, 110754, 117180, 123060, 127162, 136245, 147672, 158220, 163494, 181660, 184590, 190743, 217992, 221508, 234360, 245241, 246120, 254324, 272490, 276885, 316440, 317905, 326988, 363320, 369180, 381486, 408735, 443016, 490482, 508648, 544980, 553770, 572229, 635810, 653976, 738360, 762972, 817470, 953715, 980964, 1089960, 1107540, 1144458, 1226205, 1271620, 1525944, 1634940, 1716687, 1907430, 1961928, 2215080, 2288916, 2452410, 2543240, 2861145, 3269880, 3433374, 3814860, 4577832, 4904820, 5722290, 6866748, 7629720, 8583435, 9809640, 11444580, 13733496, 17166870, 22889160, 34333740, 68667480]

約数ペア:

[(1, 68667480), (2, 34333740), (3, 22889160), (4, 17166870), (5, 13733496), (6, 11444580), (7, 9809640), (8, 8583435), (9, 7629720), (10, 6866748), (12, 5722290), (14, 4904820), (15, 4577832), (18, 3814860), (20, 3433374), (21, 3269880), (24, 2861145), (27, 2543240), (28, 2452410), (30, 2288916), (31, 2215080), (35, 1961928), (36, 1907430), (40, 1716687), (42, 1634940), (45, 1525944), (54, 1271620), (56, 1226205), (60, 1144458), (62, 1107540), (63, 1089960), (70, 980964), (72, 953715), (84, 817470), (90, 762972), (93, 738360), (105, 653976), (108, 635810), (120, 572229), (124, 553770), (126, 544980), (135, 508648), (140, 490482), (155, 443016), (168, 408735), (180, 381486), (186, 369180), (189, 363320), (210, 326988), (216, 317905), (217, 316440), (248, 276885), (252, 272490), (270, 254324), (279, 246120), (280, 245241), (293, 234360), (310, 221508), (315, 217992), (360, 190743), (372, 184590), (378, 181660), (420, 163494), (434, 158220), (465, 147672), (504, 136245), (540, 127162), (558, 123060), (586, 117180), (620, 110754), (630, 108996), (651, 105480), (744, 92295), (756, 90830), (837, 82040), (840, 81747), (868, 79110), (879, 78120), (930, 73836), (945, 72664), (1080, 63581), (1085, 63288), (1116, 61530), (1172, 58590), (1240, 55377), (1260, 54498), (1302, 52740), (1395, 49224), (1465, 46872), (1512, 45415), (1674, 41020), (1736, 39555), (1758, 39060), (1860, 36918), (1890, 36332), (1953, 35160), (2051, 33480), (2170, 31644), (2232, 30765), (2344, 29295), (2520, 27249), (2604, 26370), (2637, 26040), (2790, 24612), (2930, 23436), (3255, 21096), (3348, 20510), (3516, 19530), (3720, 18459), (3780, 18166), (3906, 17580), (4102, 16740), (4185, 16408), (4340, 15822), (4395, 15624), (5208, 13185), (5274, 13020), (5580, 12306), (5859, 11720), (5860, 11718), (6153, 11160), (6510, 10548), (6696, 10255), (7032, 9765), (7560, 9083), (7812, 8790), (7911, 8680), (8204, 8370)]