128368240

素因数分解:

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

素因数の和:280

約数の個数: 240

約数和(自身を含む): 409661280

約数和(自身を除く): 281293040

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 13, 14, 16, 20, 22, 26, 28, 35, 40, 44, 49, 52, 55, 56, 65, 70, 77, 80, 88, 91, 98, 104, 110, 112, 130, 140, 143, 154, 176, 182, 196, 208, 220, 229, 245, 260, 280, 286, 308, 364, 385, 392, 440, 455, 458, 490, 520, 539, 560, 572, 616, 637, 715, 728, 770, 784, 880, 910, 916, 980, 1001, 1040, 1078, 1144, 1145, 1232, 1274, 1430, 1456, 1540, 1603, 1820, 1832, 1960, 2002, 2156, 2288, 2290, 2519, 2548, 2695, 2860, 2977, 3080, 3185, 3206, 3640, 3664, 3920, 4004, 4312, 4580, 5005, 5038, 5096, 5390, 5720, 5954, 6160, 6370, 6412, 7007, 7280, 8008, 8015, 8624, 9160, 10010, 10076, 10192, 10780, 11221, 11440, 11908, 12595, 12740, 12824, 14014, 14885, 16016, 16030, 17633, 18320, 20020, 20152, 20839, 21560, 22442, 23816, 25190, 25480, 25648, 28028, 29770, 32060, 32747, 35035, 35266, 40040, 40304, 41678, 43120, 44884, 47632, 50380, 50960, 56056, 56105, 59540, 64120, 65494, 70070, 70532, 80080, 83356, 88165, 89768, 100760, 104195, 112112, 112210, 119080, 123431, 128240, 130988, 140140, 141064, 145873, 163735, 166712, 176330, 179536, 201520, 208390, 224420, 229229, 238160, 246862, 261976, 280280, 282128, 291746, 327470, 333424, 352660, 416780, 448840, 458458, 493724, 523952, 560560, 583492, 617155, 654940, 705320, 729365, 833560, 897680, 916916, 987448, 1146145, 1166984, 1234310, 1309880, 1410640, 1458730, 1604603, 1667120, 1833832, 1974896, 2292290, 2333968, 2468620, 2619760, 2917460, 3209206, 3667664, 4584580, 4937240, 5834920, 6418412, 8023015, 9169160, 9874480, 11669840, 12836824, 16046030, 18338320, 25673648, 32092060, 64184120, 128368240]

約数ペア:

[(1, 128368240), (2, 64184120), (4, 32092060), (5, 25673648), (7, 18338320), (8, 16046030), (10, 12836824), (11, 11669840), (13, 9874480), (14, 9169160), (16, 8023015), (20, 6418412), (22, 5834920), (26, 4937240), (28, 4584580), (35, 3667664), (40, 3209206), (44, 2917460), (49, 2619760), (52, 2468620), (55, 2333968), (56, 2292290), (65, 1974896), (70, 1833832), (77, 1667120), (80, 1604603), (88, 1458730), (91, 1410640), (98, 1309880), (104, 1234310), (110, 1166984), (112, 1146145), (130, 987448), (140, 916916), (143, 897680), (154, 833560), (176, 729365), (182, 705320), (196, 654940), (208, 617155), (220, 583492), (229, 560560), (245, 523952), (260, 493724), (280, 458458), (286, 448840), (308, 416780), (364, 352660), (385, 333424), (392, 327470), (440, 291746), (455, 282128), (458, 280280), (490, 261976), (520, 246862), (539, 238160), (560, 229229), (572, 224420), (616, 208390), (637, 201520), (715, 179536), (728, 176330), (770, 166712), (784, 163735), (880, 145873), (910, 141064), (916, 140140), (980, 130988), (1001, 128240), (1040, 123431), (1078, 119080), (1144, 112210), (1145, 112112), (1232, 104195), (1274, 100760), (1430, 89768), (1456, 88165), (1540, 83356), (1603, 80080), (1820, 70532), (1832, 70070), (1960, 65494), (2002, 64120), (2156, 59540), (2288, 56105), (2290, 56056), (2519, 50960), (2548, 50380), (2695, 47632), (2860, 44884), (2977, 43120), (3080, 41678), (3185, 40304), (3206, 40040), (3640, 35266), (3664, 35035), (3920, 32747), (4004, 32060), (4312, 29770), (4580, 28028), (5005, 25648), (5038, 25480), (5096, 25190), (5390, 23816), (5720, 22442), (5954, 21560), (6160, 20839), (6370, 20152), (6412, 20020), (7007, 18320), (7280, 17633), (8008, 16030), (8015, 16016), (8624, 14885), (9160, 14014), (10010, 12824), (10076, 12740), (10192, 12595), (10780, 11908), (11221, 11440)]