291431880

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{311}}^1$

素因数の和:484

約数の個数: 192

約数和(自身を含む): 1007510400

約数和(自身を除く): 716078520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 30, 36, 38, 40, 45, 57, 60, 72, 76, 90, 95, 114, 120, 137, 152, 171, 180, 190, 228, 274, 285, 311, 342, 360, 380, 411, 456, 548, 570, 622, 684, 685, 760, 822, 855, 933, 1096, 1140, 1233, 1244, 1368, 1370, 1555, 1644, 1710, 1866, 2055, 2280, 2466, 2488, 2603, 2740, 2799, 3110, 3288, 3420, 3732, 4110, 4665, 4932, 5206, 5480, 5598, 5909, 6165, 6220, 6840, 7464, 7809, 8220, 9330, 9864, 10412, 11196, 11818, 12330, 12440, 13015, 13995, 15618, 16440, 17727, 18660, 20824, 22392, 23427, 23636, 24660, 26030, 27990, 29545, 31236, 35454, 37320, 39045, 42607, 46854, 47272, 49320, 52060, 53181, 55980, 59090, 62472, 70908, 78090, 85214, 88635, 93708, 104120, 106362, 111960, 117135, 118180, 127821, 141816, 156180, 170428, 177270, 187416, 212724, 213035, 234270, 236360, 255642, 265905, 312360, 340856, 354540, 383463, 425448, 426070, 468540, 511284, 531810, 639105, 709080, 766926, 809533, 852140, 937080, 1022568, 1063620, 1278210, 1533852, 1619066, 1704280, 1917315, 2127240, 2428599, 2556420, 3067704, 3238132, 3834630, 4047665, 4857198, 5112840, 6476264, 7285797, 7669260, 8095330, 9714396, 12142995, 14571594, 15338520, 16190660, 19428792, 24285990, 29143188, 32381320, 36428985, 48571980, 58286376, 72857970, 97143960, 145715940, 291431880]

約数ペア:

[(1, 291431880), (2, 145715940), (3, 97143960), (4, 72857970), (5, 58286376), (6, 48571980), (8, 36428985), (9, 32381320), (10, 29143188), (12, 24285990), (15, 19428792), (18, 16190660), (19, 15338520), (20, 14571594), (24, 12142995), (30, 9714396), (36, 8095330), (38, 7669260), (40, 7285797), (45, 6476264), (57, 5112840), (60, 4857198), (72, 4047665), (76, 3834630), (90, 3238132), (95, 3067704), (114, 2556420), (120, 2428599), (137, 2127240), (152, 1917315), (171, 1704280), (180, 1619066), (190, 1533852), (228, 1278210), (274, 1063620), (285, 1022568), (311, 937080), (342, 852140), (360, 809533), (380, 766926), (411, 709080), (456, 639105), (548, 531810), (570, 511284), (622, 468540), (684, 426070), (685, 425448), (760, 383463), (822, 354540), (855, 340856), (933, 312360), (1096, 265905), (1140, 255642), (1233, 236360), (1244, 234270), (1368, 213035), (1370, 212724), (1555, 187416), (1644, 177270), (1710, 170428), (1866, 156180), (2055, 141816), (2280, 127821), (2466, 118180), (2488, 117135), (2603, 111960), (2740, 106362), (2799, 104120), (3110, 93708), (3288, 88635), (3420, 85214), (3732, 78090), (4110, 70908), (4665, 62472), (4932, 59090), (5206, 55980), (5480, 53181), (5598, 52060), (5909, 49320), (6165, 47272), (6220, 46854), (6840, 42607), (7464, 39045), (7809, 37320), (8220, 35454), (9330, 31236), (9864, 29545), (10412, 27990), (11196, 26030), (11818, 24660), (12330, 23636), (12440, 23427), (13015, 22392), (13995, 20824), (15618, 18660), (16440, 17727)]