201568716520

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{367}}^1\times {\mathrm{5477}}^1$

素因数の和:5987

約数の個数: 128

約数和(自身を含む): 478978790400

約数和(自身を除く): 277410073880

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 109, 115, 184, 218, 230, 367, 436, 460, 545, 734, 872, 920, 1090, 1468, 1835, 2180, 2507, 2936, 3670, 4360, 5014, 5477, 7340, 8441, 10028, 10954, 12535, 14680, 16882, 20056, 21908, 25070, 27385, 33764, 40003, 42205, 43816, 50140, 54770, 67528, 80006, 84410, 100280, 109540, 125971, 160012, 168820, 200015, 219080, 251942, 320024, 337640, 400030, 503884, 596993, 629855, 800060, 920069, 1007768, 1193986, 1259710, 1600120, 1840138, 2010059, 2387972, 2519420, 2984965, 3680276, 4020118, 4600345, 4775944, 5038840, 5969930, 7360552, 8040236, 9200690, 10050295, 11939860, 13730839, 16080472, 18401380, 20100590, 23879720, 27461678, 36802760, 40201180, 46231357, 54923356, 68654195, 80402360, 92462714, 109846712, 137308390, 184925428, 219096431, 231156785, 274616780, 369850856, 438192862, 462313570, 549233560, 876385724, 924627140, 1095482155, 1752771448, 1849254280, 2190964310, 4381928620, 5039217913, 8763857240, 10078435826, 20156871652, 25196089565, 40313743304, 50392179130, 100784358260, 201568716520]

約数ペア:

[(1, 201568716520), (2, 100784358260), (4, 50392179130), (5, 40313743304), (8, 25196089565), (10, 20156871652), (20, 10078435826), (23, 8763857240), (40, 5039217913), (46, 4381928620), (92, 2190964310), (109, 1849254280), (115, 1752771448), (184, 1095482155), (218, 924627140), (230, 876385724), (367, 549233560), (436, 462313570), (460, 438192862), (545, 369850856), (734, 274616780), (872, 231156785), (920, 219096431), (1090, 184925428), (1468, 137308390), (1835, 109846712), (2180, 92462714), (2507, 80402360), (2936, 68654195), (3670, 54923356), (4360, 46231357), (5014, 40201180), (5477, 36802760), (7340, 27461678), (8441, 23879720), (10028, 20100590), (10954, 18401380), (12535, 16080472), (14680, 13730839), (16882, 11939860), (20056, 10050295), (21908, 9200690), (25070, 8040236), (27385, 7360552), (33764, 5969930), (40003, 5038840), (42205, 4775944), (43816, 4600345), (50140, 4020118), (54770, 3680276), (67528, 2984965), (80006, 2519420), (84410, 2387972), (100280, 2010059), (109540, 1840138), (125971, 1600120), (160012, 1259710), (168820, 1193986), (200015, 1007768), (219080, 920069), (251942, 800060), (320024, 629855), (337640, 596993), (400030, 503884)]