400236480

素因数分解:

$2^6\times 3^2\times 5^1\times 7^1\times {\mathrm{19853}}^1$

素因数の和:19883

約数の個数: 168

約数和(自身を含む): 1573389792

約数和(自身を除く): 1173153312

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 140, 144, 160, 168, 180, 192, 210, 224, 240, 252, 280, 288, 315, 320, 336, 360, 420, 448, 480, 504, 560, 576, 630, 672, 720, 840, 960, 1008, 1120, 1260, 1344, 1440, 1680, 2016, 2240, 2520, 2880, 3360, 4032, 5040, 6720, 10080, 19853, 20160, 39706, 59559, 79412, 99265, 119118, 138971, 158824, 178677, 198530, 238236, 277942, 297795, 317648, 357354, 397060, 416913, 476472, 555884, 595590, 635296, 694855, 714708, 794120, 833826, 893385, 952944, 1111768, 1191180, 1250739, 1270592, 1389710, 1429416, 1588240, 1667652, 1786770, 1905888, 2084565, 2223536, 2382360, 2501478, 2779420, 2858832, 3176480, 3335304, 3573540, 3811776, 4169130, 4447072, 4764720, 5002956, 5558840, 5717664, 6253695, 6352960, 6670608, 7147080, 8338260, 8894144, 9529440, 10005912, 11117680, 11435328, 12507390, 13341216, 14294160, 16676520, 19058880, 20011824, 22235360, 25014780, 26682432, 28588320, 33353040, 40023648, 44470720, 50029560, 57176640, 66706080, 80047296, 100059120, 133412160, 200118240, 400236480]

約数ペア:

[(1, 400236480), (2, 200118240), (3, 133412160), (4, 100059120), (5, 80047296), (6, 66706080), (7, 57176640), (8, 50029560), (9, 44470720), (10, 40023648), (12, 33353040), (14, 28588320), (15, 26682432), (16, 25014780), (18, 22235360), (20, 20011824), (21, 19058880), (24, 16676520), (28, 14294160), (30, 13341216), (32, 12507390), (35, 11435328), (36, 11117680), (40, 10005912), (42, 9529440), (45, 8894144), (48, 8338260), (56, 7147080), (60, 6670608), (63, 6352960), (64, 6253695), (70, 5717664), (72, 5558840), (80, 5002956), (84, 4764720), (90, 4447072), (96, 4169130), (105, 3811776), (112, 3573540), (120, 3335304), (126, 3176480), (140, 2858832), (144, 2779420), (160, 2501478), (168, 2382360), (180, 2223536), (192, 2084565), (210, 1905888), (224, 1786770), (240, 1667652), (252, 1588240), (280, 1429416), (288, 1389710), (315, 1270592), (320, 1250739), (336, 1191180), (360, 1111768), (420, 952944), (448, 893385), (480, 833826), (504, 794120), (560, 714708), (576, 694855), (630, 635296), (672, 595590), (720, 555884), (840, 476472), (960, 416913), (1008, 397060), (1120, 357354), (1260, 317648), (1344, 297795), (1440, 277942), (1680, 238236), (2016, 198530), (2240, 178677), (2520, 158824), (2880, 138971), (3360, 119118), (4032, 99265), (5040, 79412), (6720, 59559), (10080, 39706), (19853, 20160)]