997999920

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{131}}^1\times {\mathrm{3527}}^1$

素因数の和:3680

約数の個数: 160

約数和(自身を含む): 3464778240

約数和(自身を除く): 2466778320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 90, 108, 120, 131, 135, 144, 180, 216, 240, 262, 270, 360, 393, 432, 524, 540, 655, 720, 786, 1048, 1080, 1179, 1310, 1572, 1965, 2096, 2160, 2358, 2620, 3144, 3527, 3537, 3930, 4716, 5240, 5895, 6288, 7054, 7074, 7860, 9432, 10480, 10581, 11790, 14108, 14148, 15720, 17635, 17685, 18864, 21162, 23580, 28216, 28296, 31440, 31743, 35270, 35370, 42324, 47160, 52905, 56432, 56592, 63486, 70540, 70740, 84648, 94320, 95229, 105810, 126972, 141080, 141480, 158715, 169296, 190458, 211620, 253944, 282160, 282960, 317430, 380916, 423240, 462037, 476145, 507888, 634860, 761832, 846480, 924074, 952290, 1269720, 1386111, 1523664, 1848148, 1904580, 2310185, 2539440, 2772222, 3696296, 3809160, 4158333, 4620370, 5544444, 6930555, 7392592, 7618320, 8316666, 9240740, 11088888, 12474999, 13861110, 16633332, 18481480, 20791665, 22177776, 24949998, 27722220, 33266664, 36962960, 41583330, 49899996, 55444440, 62374995, 66533328, 83166660, 99799992, 110888880, 124749990, 166333320, 199599984, 249499980, 332666640, 498999960, 997999920]

約数ペア:

[(1, 997999920), (2, 498999960), (3, 332666640), (4, 249499980), (5, 199599984), (6, 166333320), (8, 124749990), (9, 110888880), (10, 99799992), (12, 83166660), (15, 66533328), (16, 62374995), (18, 55444440), (20, 49899996), (24, 41583330), (27, 36962960), (30, 33266664), (36, 27722220), (40, 24949998), (45, 22177776), (48, 20791665), (54, 18481480), (60, 16633332), (72, 13861110), (80, 12474999), (90, 11088888), (108, 9240740), (120, 8316666), (131, 7618320), (135, 7392592), (144, 6930555), (180, 5544444), (216, 4620370), (240, 4158333), (262, 3809160), (270, 3696296), (360, 2772222), (393, 2539440), (432, 2310185), (524, 1904580), (540, 1848148), (655, 1523664), (720, 1386111), (786, 1269720), (1048, 952290), (1080, 924074), (1179, 846480), (1310, 761832), (1572, 634860), (1965, 507888), (2096, 476145), (2160, 462037), (2358, 423240), (2620, 380916), (3144, 317430), (3527, 282960), (3537, 282160), (3930, 253944), (4716, 211620), (5240, 190458), (5895, 169296), (6288, 158715), (7054, 141480), (7074, 141080), (7860, 126972), (9432, 105810), (10480, 95229), (10581, 94320), (11790, 84648), (14108, 70740), (14148, 70540), (15720, 63486), (17635, 56592), (17685, 56432), (18864, 52905), (21162, 47160), (23580, 42324), (28216, 35370), (28296, 35270), (31440, 31743)]