80808840

素因数分解:

$2^3\times 3^4\times 5^1\times 7^2\times {\mathrm{509}}^1$

素因数の和:546

約数の個数: 240

約数和(自身を含む): 316572300

約数和(自身を除く): 235763460

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 49, 54, 56, 60, 63, 70, 72, 81, 84, 90, 98, 105, 108, 120, 126, 135, 140, 147, 162, 168, 180, 189, 196, 210, 216, 245, 252, 270, 280, 294, 315, 324, 360, 378, 392, 405, 420, 441, 490, 504, 509, 540, 567, 588, 630, 648, 735, 756, 810, 840, 882, 945, 980, 1018, 1080, 1134, 1176, 1260, 1323, 1470, 1512, 1527, 1620, 1764, 1890, 1960, 2036, 2205, 2268, 2520, 2545, 2646, 2835, 2940, 3054, 3240, 3528, 3563, 3780, 3969, 4072, 4410, 4536, 4581, 5090, 5292, 5670, 5880, 6108, 6615, 7126, 7560, 7635, 7938, 8820, 9162, 10180, 10584, 10689, 11340, 12216, 13230, 13743, 14252, 15270, 15876, 17640, 17815, 18324, 19845, 20360, 21378, 22680, 22905, 24941, 26460, 27486, 28504, 30540, 31752, 32067, 35630, 36648, 39690, 41229, 42756, 45810, 49882, 52920, 53445, 54972, 61080, 64134, 68715, 71260, 74823, 79380, 82458, 85512, 91620, 96201, 99764, 106890, 109944, 124705, 128268, 137430, 142520, 149646, 158760, 160335, 164916, 183240, 192402, 199528, 206145, 213780, 224469, 249410, 256536, 274860, 288603, 299292, 320670, 329832, 374115, 384804, 412290, 427560, 448938, 481005, 498820, 549720, 577206, 598584, 641340, 673407, 748230, 769608, 824580, 897876, 962010, 997640, 1122345, 1154412, 1282680, 1346814, 1443015, 1496460, 1649160, 1795752, 1924020, 2020221, 2244690, 2308824, 2693628, 2886030, 2992920, 3367035, 3848040, 4040442, 4489380, 5387256, 5772060, 6734070, 8080884, 8978760, 10101105, 11544120, 13468140, 16161768, 20202210, 26936280, 40404420, 80808840]

約数ペア:

[(1, 80808840), (2, 40404420), (3, 26936280), (4, 20202210), (5, 16161768), (6, 13468140), (7, 11544120), (8, 10101105), (9, 8978760), (10, 8080884), (12, 6734070), (14, 5772060), (15, 5387256), (18, 4489380), (20, 4040442), (21, 3848040), (24, 3367035), (27, 2992920), (28, 2886030), (30, 2693628), (35, 2308824), (36, 2244690), (40, 2020221), (42, 1924020), (45, 1795752), (49, 1649160), (54, 1496460), (56, 1443015), (60, 1346814), (63, 1282680), (70, 1154412), (72, 1122345), (81, 997640), (84, 962010), (90, 897876), (98, 824580), (105, 769608), (108, 748230), (120, 673407), (126, 641340), (135, 598584), (140, 577206), (147, 549720), (162, 498820), (168, 481005), (180, 448938), (189, 427560), (196, 412290), (210, 384804), (216, 374115), (245, 329832), (252, 320670), (270, 299292), (280, 288603), (294, 274860), (315, 256536), (324, 249410), (360, 224469), (378, 213780), (392, 206145), (405, 199528), (420, 192402), (441, 183240), (490, 164916), (504, 160335), (509, 158760), (540, 149646), (567, 142520), (588, 137430), (630, 128268), (648, 124705), (735, 109944), (756, 106890), (810, 99764), (840, 96201), (882, 91620), (945, 85512), (980, 82458), (1018, 79380), (1080, 74823), (1134, 71260), (1176, 68715), (1260, 64134), (1323, 61080), (1470, 54972), (1512, 53445), (1527, 52920), (1620, 49882), (1764, 45810), (1890, 42756), (1960, 41229), (2036, 39690), (2205, 36648), (2268, 35630), (2520, 32067), (2545, 31752), (2646, 30540), (2835, 28504), (2940, 27486), (3054, 26460), (3240, 24941), (3528, 22905), (3563, 22680), (3780, 21378), (3969, 20360), (4072, 19845), (4410, 18324), (4536, 17815), (4581, 17640), (5090, 15876), (5292, 15270), (5670, 14252), (5880, 13743), (6108, 13230), (6615, 12216), (7126, 11340), (7560, 10689), (7635, 10584), (7938, 10180), (8820, 9162)]