306438720

素因数分解:

$2^6\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1471}}^1$

素因数の和:1529

約数の個数: 224

約数和(自身を含む): 1148583936

約数和(自身を除く): 842145216

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 31, 32, 35, 40, 42, 48, 56, 60, 62, 64, 70, 80, 84, 93, 96, 105, 112, 120, 124, 140, 155, 160, 168, 186, 192, 210, 217, 224, 240, 248, 280, 310, 320, 336, 372, 420, 434, 448, 465, 480, 496, 560, 620, 651, 672, 744, 840, 868, 930, 960, 992, 1085, 1120, 1240, 1302, 1344, 1471, 1488, 1680, 1736, 1860, 1984, 2170, 2240, 2480, 2604, 2942, 2976, 3255, 3360, 3472, 3720, 4340, 4413, 4960, 5208, 5884, 5952, 6510, 6720, 6944, 7355, 7440, 8680, 8826, 9920, 10297, 10416, 11768, 13020, 13888, 14710, 14880, 17360, 17652, 20594, 20832, 22065, 23536, 26040, 29420, 29760, 30891, 34720, 35304, 41188, 41664, 44130, 45601, 47072, 51485, 52080, 58840, 61782, 69440, 70608, 82376, 88260, 91202, 94144, 102970, 104160, 117680, 123564, 136803, 141216, 154455, 164752, 176520, 182404, 205940, 208320, 228005, 235360, 247128, 273606, 282432, 308910, 319207, 329504, 353040, 364808, 411880, 456010, 470720, 494256, 547212, 617820, 638414, 659008, 684015, 706080, 729616, 823760, 912020, 957621, 988512, 1094424, 1235640, 1276828, 1368030, 1412160, 1459232, 1596035, 1647520, 1824040, 1915242, 1977024, 2188848, 2471280, 2553656, 2736060, 2918464, 3192070, 3295040, 3648080, 3830484, 4377696, 4788105, 4942560, 5107312, 5472120, 6384140, 7296160, 7660968, 8755392, 9576210, 9885120, 10214624, 10944240, 12768280, 14592320, 15321936, 19152420, 20429248, 21888480, 25536560, 30643872, 38304840, 43776960, 51073120, 61287744, 76609680, 102146240, 153219360, 306438720]

約数ペア:

[(1, 306438720), (2, 153219360), (3, 102146240), (4, 76609680), (5, 61287744), (6, 51073120), (7, 43776960), (8, 38304840), (10, 30643872), (12, 25536560), (14, 21888480), (15, 20429248), (16, 19152420), (20, 15321936), (21, 14592320), (24, 12768280), (28, 10944240), (30, 10214624), (31, 9885120), (32, 9576210), (35, 8755392), (40, 7660968), (42, 7296160), (48, 6384140), (56, 5472120), (60, 5107312), (62, 4942560), (64, 4788105), (70, 4377696), (80, 3830484), (84, 3648080), (93, 3295040), (96, 3192070), (105, 2918464), (112, 2736060), (120, 2553656), (124, 2471280), (140, 2188848), (155, 1977024), (160, 1915242), (168, 1824040), (186, 1647520), (192, 1596035), (210, 1459232), (217, 1412160), (224, 1368030), (240, 1276828), (248, 1235640), (280, 1094424), (310, 988512), (320, 957621), (336, 912020), (372, 823760), (420, 729616), (434, 706080), (448, 684015), (465, 659008), (480, 638414), (496, 617820), (560, 547212), (620, 494256), (651, 470720), (672, 456010), (744, 411880), (840, 364808), (868, 353040), (930, 329504), (960, 319207), (992, 308910), (1085, 282432), (1120, 273606), (1240, 247128), (1302, 235360), (1344, 228005), (1471, 208320), (1488, 205940), (1680, 182404), (1736, 176520), (1860, 164752), (1984, 154455), (2170, 141216), (2240, 136803), (2480, 123564), (2604, 117680), (2942, 104160), (2976, 102970), (3255, 94144), (3360, 91202), (3472, 88260), (3720, 82376), (4340, 70608), (4413, 69440), (4960, 61782), (5208, 58840), (5884, 52080), (5952, 51485), (6510, 47072), (6720, 45601), (6944, 44130), (7355, 41664), (7440, 41188), (8680, 35304), (8826, 34720), (9920, 30891), (10297, 29760), (10416, 29420), (11768, 26040), (13020, 23536), (13888, 22065), (14710, 20832), (14880, 20594), (17360, 17652)]