18338320

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{229}}^1$

素因数の和:273

約数の個数: 160

約数和(自身を含む): 57496320

約数和(自身を除く): 39158000

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 13, 14, 16, 20, 22, 26, 28, 35, 40, 44, 52, 55, 56, 65, 70, 77, 80, 88, 91, 104, 110, 112, 130, 140, 143, 154, 176, 182, 208, 220, 229, 260, 280, 286, 308, 364, 385, 440, 455, 458, 520, 560, 572, 616, 715, 728, 770, 880, 910, 916, 1001, 1040, 1144, 1145, 1232, 1430, 1456, 1540, 1603, 1820, 1832, 2002, 2288, 2290, 2519, 2860, 2977, 3080, 3206, 3640, 3664, 4004, 4580, 5005, 5038, 5720, 5954, 6160, 6412, 7280, 8008, 8015, 9160, 10010, 10076, 11440, 11908, 12595, 12824, 14885, 16016, 16030, 17633, 18320, 20020, 20152, 20839, 23816, 25190, 25648, 29770, 32060, 32747, 35266, 40040, 40304, 41678, 47632, 50380, 59540, 64120, 65494, 70532, 80080, 83356, 88165, 100760, 104195, 119080, 128240, 130988, 141064, 163735, 166712, 176330, 201520, 208390, 229229, 238160, 261976, 282128, 327470, 333424, 352660, 416780, 458458, 523952, 654940, 705320, 833560, 916916, 1146145, 1309880, 1410640, 1667120, 1833832, 2292290, 2619760, 3667664, 4584580, 9169160, 18338320]

約数ペア:

[(1, 18338320), (2, 9169160), (4, 4584580), (5, 3667664), (7, 2619760), (8, 2292290), (10, 1833832), (11, 1667120), (13, 1410640), (14, 1309880), (16, 1146145), (20, 916916), (22, 833560), (26, 705320), (28, 654940), (35, 523952), (40, 458458), (44, 416780), (52, 352660), (55, 333424), (56, 327470), (65, 282128), (70, 261976), (77, 238160), (80, 229229), (88, 208390), (91, 201520), (104, 176330), (110, 166712), (112, 163735), (130, 141064), (140, 130988), (143, 128240), (154, 119080), (176, 104195), (182, 100760), (208, 88165), (220, 83356), (229, 80080), (260, 70532), (280, 65494), (286, 64120), (308, 59540), (364, 50380), (385, 47632), (440, 41678), (455, 40304), (458, 40040), (520, 35266), (560, 32747), (572, 32060), (616, 29770), (715, 25648), (728, 25190), (770, 23816), (880, 20839), (910, 20152), (916, 20020), (1001, 18320), (1040, 17633), (1144, 16030), (1145, 16016), (1232, 14885), (1430, 12824), (1456, 12595), (1540, 11908), (1603, 11440), (1820, 10076), (1832, 10010), (2002, 9160), (2288, 8015), (2290, 8008), (2519, 7280), (2860, 6412), (2977, 6160), (3080, 5954), (3206, 5720), (3640, 5038), (3664, 5005), (4004, 4580)]