178127280

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{449}}^1$

素因数の和:516

約数の個数: 240

約数和(自身を含む): 652860000

約数和(自身を除く): 474732720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 29, 30, 36, 38, 40, 45, 48, 57, 58, 60, 72, 76, 80, 87, 90, 95, 114, 116, 120, 144, 145, 152, 171, 174, 180, 190, 228, 232, 240, 261, 285, 290, 304, 342, 348, 360, 380, 435, 449, 456, 464, 522, 551, 570, 580, 684, 696, 720, 760, 855, 870, 898, 912, 1044, 1102, 1140, 1160, 1305, 1347, 1368, 1392, 1520, 1653, 1710, 1740, 1796, 2088, 2204, 2245, 2280, 2320, 2610, 2694, 2736, 2755, 3306, 3420, 3480, 3592, 4041, 4176, 4408, 4490, 4560, 4959, 5220, 5388, 5510, 6612, 6735, 6840, 6960, 7184, 8082, 8265, 8531, 8816, 8980, 9918, 10440, 10776, 11020, 13021, 13224, 13470, 13680, 16164, 16530, 17062, 17960, 19836, 20205, 20880, 21552, 22040, 24795, 25593, 26042, 26448, 26940, 32328, 33060, 34124, 35920, 39063, 39672, 40410, 42655, 44080, 49590, 51186, 52084, 53880, 64656, 65105, 66120, 68248, 76779, 78126, 79344, 80820, 85310, 99180, 102372, 104168, 107760, 117189, 127965, 130210, 132240, 136496, 153558, 156252, 161640, 170620, 195315, 198360, 204744, 208336, 234378, 247399, 255930, 260420, 307116, 312504, 323280, 341240, 383895, 390630, 396720, 409488, 468756, 494798, 511860, 520840, 585945, 614232, 625008, 682480, 742197, 767790, 781260, 937512, 989596, 1023720, 1041680, 1171890, 1228464, 1236995, 1484394, 1535580, 1562520, 1875024, 1979192, 2047440, 2226591, 2343780, 2473990, 2968788, 3071160, 3125040, 3710985, 3958384, 4453182, 4687560, 4947980, 5937576, 6142320, 7421970, 8906364, 9375120, 9895960, 11132955, 11875152, 14843940, 17812728, 19791920, 22265910, 29687880, 35625456, 44531820, 59375760, 89063640, 178127280]

約数ペア:

[(1, 178127280), (2, 89063640), (3, 59375760), (4, 44531820), (5, 35625456), (6, 29687880), (8, 22265910), (9, 19791920), (10, 17812728), (12, 14843940), (15, 11875152), (16, 11132955), (18, 9895960), (19, 9375120), (20, 8906364), (24, 7421970), (29, 6142320), (30, 5937576), (36, 4947980), (38, 4687560), (40, 4453182), (45, 3958384), (48, 3710985), (57, 3125040), (58, 3071160), (60, 2968788), (72, 2473990), (76, 2343780), (80, 2226591), (87, 2047440), (90, 1979192), (95, 1875024), (114, 1562520), (116, 1535580), (120, 1484394), (144, 1236995), (145, 1228464), (152, 1171890), (171, 1041680), (174, 1023720), (180, 989596), (190, 937512), (228, 781260), (232, 767790), (240, 742197), (261, 682480), (285, 625008), (290, 614232), (304, 585945), (342, 520840), (348, 511860), (360, 494798), (380, 468756), (435, 409488), (449, 396720), (456, 390630), (464, 383895), (522, 341240), (551, 323280), (570, 312504), (580, 307116), (684, 260420), (696, 255930), (720, 247399), (760, 234378), (855, 208336), (870, 204744), (898, 198360), (912, 195315), (1044, 170620), (1102, 161640), (1140, 156252), (1160, 153558), (1305, 136496), (1347, 132240), (1368, 130210), (1392, 127965), (1520, 117189), (1653, 107760), (1710, 104168), (1740, 102372), (1796, 99180), (2088, 85310), (2204, 80820), (2245, 79344), (2280, 78126), (2320, 76779), (2610, 68248), (2694, 66120), (2736, 65105), (2755, 64656), (3306, 53880), (3420, 52084), (3480, 51186), (3592, 49590), (4041, 44080), (4176, 42655), (4408, 40410), (4490, 39672), (4560, 39063), (4959, 35920), (5220, 34124), (5388, 33060), (5510, 32328), (6612, 26940), (6735, 26448), (6840, 26042), (6960, 25593), (7184, 24795), (8082, 22040), (8265, 21552), (8531, 20880), (8816, 20205), (8980, 19836), (9918, 17960), (10440, 17062), (10776, 16530), (11020, 16164), (13021, 13680), (13224, 13470)]