781451280

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{331}}^1\times {\mathrm{1093}}^1$

素因数の和:1446

約数の個数: 160

約数和(自身を含む): 2702267520

約数和(自身を除く): 1920816240

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, 135, 144, 180, 216, 240, 270, 331, 360, 432, 540, 662, 720, 993, 1080, 1093, 1324, 1655, 1986, 2160, 2186, 2648, 2979, 3279, 3310, 3972, 4372, 4965, 5296, 5465, 5958, 6558, 6620, 7944, 8744, 8937, 9837, 9930, 10930, 11916, 13116, 13240, 14895, 15888, 16395, 17488, 17874, 19674, 19860, 21860, 23832, 26232, 26480, 29511, 29790, 32790, 35748, 39348, 39720, 43720, 44685, 47664, 49185, 52464, 59022, 59580, 65580, 71496, 78696, 79440, 87440, 89370, 98370, 118044, 119160, 131160, 142992, 147555, 157392, 178740, 196740, 236088, 238320, 262320, 295110, 357480, 361783, 393480, 472176, 590220, 714960, 723566, 786960, 1085349, 1180440, 1447132, 1808915, 2170698, 2360880, 2894264, 3256047, 3617830, 4341396, 5426745, 5788528, 6512094, 7235660, 8682792, 9768141, 10853490, 13024188, 14471320, 16280235, 17365584, 19536282, 21706980, 26048376, 28942640, 32560470, 39072564, 43413960, 48840705, 52096752, 65120940, 78145128, 86827920, 97681410, 130241880, 156290256, 195362820, 260483760, 390725640, 781451280]

約数ペア:

[(1, 781451280), (2, 390725640), (3, 260483760), (4, 195362820), (5, 156290256), (6, 130241880), (8, 97681410), (9, 86827920), (10, 78145128), (12, 65120940), (15, 52096752), (16, 48840705), (18, 43413960), (20, 39072564), (24, 32560470), (27, 28942640), (30, 26048376), (36, 21706980), (40, 19536282), (45, 17365584), (48, 16280235), (54, 14471320), (60, 13024188), (72, 10853490), (80, 9768141), (90, 8682792), (108, 7235660), (120, 6512094), (135, 5788528), (144, 5426745), (180, 4341396), (216, 3617830), (240, 3256047), (270, 2894264), (331, 2360880), (360, 2170698), (432, 1808915), (540, 1447132), (662, 1180440), (720, 1085349), (993, 786960), (1080, 723566), (1093, 714960), (1324, 590220), (1655, 472176), (1986, 393480), (2160, 361783), (2186, 357480), (2648, 295110), (2979, 262320), (3279, 238320), (3310, 236088), (3972, 196740), (4372, 178740), (4965, 157392), (5296, 147555), (5465, 142992), (5958, 131160), (6558, 119160), (6620, 118044), (7944, 98370), (8744, 89370), (8937, 87440), (9837, 79440), (9930, 78696), (10930, 71496), (11916, 65580), (13116, 59580), (13240, 59022), (14895, 52464), (15888, 49185), (16395, 47664), (17488, 44685), (17874, 43720), (19674, 39720), (19860, 39348), (21860, 35748), (23832, 32790), (26232, 29790), (26480, 29511)]