315222880

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{1297}}^1$

素因数の和:1357

約数の個数: 144

約数和(自身を含む): 894934656

約数和(自身を除く): 579711776

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 49, 56, 62, 70, 80, 98, 112, 124, 140, 155, 160, 196, 217, 224, 245, 248, 280, 310, 392, 434, 490, 496, 560, 620, 784, 868, 980, 992, 1085, 1120, 1240, 1297, 1519, 1568, 1736, 1960, 2170, 2480, 2594, 3038, 3472, 3920, 4340, 4960, 5188, 6076, 6485, 6944, 7595, 7840, 8680, 9079, 10376, 12152, 12970, 15190, 17360, 18158, 20752, 24304, 25940, 30380, 34720, 36316, 40207, 41504, 45395, 48608, 51880, 60760, 63553, 72632, 80414, 90790, 103760, 121520, 127106, 145264, 160828, 181580, 201035, 207520, 243040, 254212, 281449, 290528, 317765, 321656, 363160, 402070, 508424, 562898, 635530, 643312, 726320, 804140, 1016848, 1125796, 1271060, 1286624, 1407245, 1452640, 1608280, 1970143, 2033696, 2251592, 2542120, 2814490, 3216560, 3940286, 4503184, 5084240, 5628980, 6433120, 7880572, 9006368, 9850715, 10168480, 11257960, 15761144, 19701430, 22515920, 31522288, 39402860, 45031840, 63044576, 78805720, 157611440, 315222880]

約数ペア:

[(1, 315222880), (2, 157611440), (4, 78805720), (5, 63044576), (7, 45031840), (8, 39402860), (10, 31522288), (14, 22515920), (16, 19701430), (20, 15761144), (28, 11257960), (31, 10168480), (32, 9850715), (35, 9006368), (40, 7880572), (49, 6433120), (56, 5628980), (62, 5084240), (70, 4503184), (80, 3940286), (98, 3216560), (112, 2814490), (124, 2542120), (140, 2251592), (155, 2033696), (160, 1970143), (196, 1608280), (217, 1452640), (224, 1407245), (245, 1286624), (248, 1271060), (280, 1125796), (310, 1016848), (392, 804140), (434, 726320), (490, 643312), (496, 635530), (560, 562898), (620, 508424), (784, 402070), (868, 363160), (980, 321656), (992, 317765), (1085, 290528), (1120, 281449), (1240, 254212), (1297, 243040), (1519, 207520), (1568, 201035), (1736, 181580), (1960, 160828), (2170, 145264), (2480, 127106), (2594, 121520), (3038, 103760), (3472, 90790), (3920, 80414), (4340, 72632), (4960, 63553), (5188, 60760), (6076, 51880), (6485, 48608), (6944, 45395), (7595, 41504), (7840, 40207), (8680, 36316), (9079, 34720), (10376, 30380), (12152, 25940), (12970, 24304), (15190, 20752), (17360, 18158)]