28306320

素因数分解:

$2^4\times 3^1\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{83}}^1$

素因数の和:142

約数の個数: 240

約数和(自身を含む): 106868160

約数和(自身を除く): 78561840

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 29, 30, 35, 40, 42, 48, 49, 56, 58, 60, 70, 80, 83, 84, 87, 98, 105, 112, 116, 120, 140, 145, 147, 166, 168, 174, 196, 203, 210, 232, 240, 245, 249, 280, 290, 294, 332, 336, 348, 392, 406, 415, 420, 435, 464, 490, 498, 560, 580, 581, 588, 609, 664, 696, 735, 784, 812, 830, 840, 870, 980, 996, 1015, 1160, 1162, 1176, 1218, 1245, 1328, 1392, 1421, 1470, 1624, 1660, 1680, 1740, 1743, 1960, 1992, 2030, 2320, 2324, 2352, 2407, 2436, 2490, 2842, 2905, 2940, 3045, 3248, 3320, 3480, 3486, 3920, 3984, 4060, 4067, 4263, 4648, 4814, 4872, 4980, 5684, 5810, 5880, 6090, 6640, 6960, 6972, 7105, 7221, 8120, 8134, 8526, 8715, 9296, 9628, 9744, 9960, 11368, 11620, 11760, 12035, 12180, 12201, 13944, 14210, 14442, 16240, 16268, 16849, 17052, 17430, 19256, 19920, 20335, 21315, 22736, 23240, 24070, 24360, 24402, 27888, 28420, 28884, 32536, 33698, 34104, 34860, 36105, 38512, 40670, 42630, 46480, 48140, 48720, 48804, 50547, 56840, 57768, 61005, 65072, 67396, 68208, 69720, 72210, 81340, 84245, 85260, 96280, 97608, 101094, 113680, 115536, 117943, 122010, 134792, 139440, 144420, 162680, 168490, 170520, 192560, 195216, 202188, 235886, 244020, 252735, 269584, 288840, 325360, 336980, 341040, 353829, 404376, 471772, 488040, 505470, 577680, 589715, 673960, 707658, 808752, 943544, 976080, 1010940, 1179430, 1347920, 1415316, 1769145, 1887088, 2021880, 2358860, 2830632, 3538290, 4043760, 4717720, 5661264, 7076580, 9435440, 14153160, 28306320]

約数ペア:

[(1, 28306320), (2, 14153160), (3, 9435440), (4, 7076580), (5, 5661264), (6, 4717720), (7, 4043760), (8, 3538290), (10, 2830632), (12, 2358860), (14, 2021880), (15, 1887088), (16, 1769145), (20, 1415316), (21, 1347920), (24, 1179430), (28, 1010940), (29, 976080), (30, 943544), (35, 808752), (40, 707658), (42, 673960), (48, 589715), (49, 577680), (56, 505470), (58, 488040), (60, 471772), (70, 404376), (80, 353829), (83, 341040), (84, 336980), (87, 325360), (98, 288840), (105, 269584), (112, 252735), (116, 244020), (120, 235886), (140, 202188), (145, 195216), (147, 192560), (166, 170520), (168, 168490), (174, 162680), (196, 144420), (203, 139440), (210, 134792), (232, 122010), (240, 117943), (245, 115536), (249, 113680), (280, 101094), (290, 97608), (294, 96280), (332, 85260), (336, 84245), (348, 81340), (392, 72210), (406, 69720), (415, 68208), (420, 67396), (435, 65072), (464, 61005), (490, 57768), (498, 56840), (560, 50547), (580, 48804), (581, 48720), (588, 48140), (609, 46480), (664, 42630), (696, 40670), (735, 38512), (784, 36105), (812, 34860), (830, 34104), (840, 33698), (870, 32536), (980, 28884), (996, 28420), (1015, 27888), (1160, 24402), (1162, 24360), (1176, 24070), (1218, 23240), (1245, 22736), (1328, 21315), (1392, 20335), (1421, 19920), (1470, 19256), (1624, 17430), (1660, 17052), (1680, 16849), (1740, 16268), (1743, 16240), (1960, 14442), (1992, 14210), (2030, 13944), (2320, 12201), (2324, 12180), (2352, 12035), (2407, 11760), (2436, 11620), (2490, 11368), (2842, 9960), (2905, 9744), (2940, 9628), (3045, 9296), (3248, 8715), (3320, 8526), (3480, 8134), (3486, 8120), (3920, 7221), (3984, 7105), (4060, 6972), (4067, 6960), (4263, 6640), (4648, 6090), (4814, 5880), (4872, 5810), (4980, 5684)]