278410860

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{739}}^1$

素因数の和:797

約数の個数: 288

約数和(自身を含む): 1086059520

約数和(自身を除く): 807648660

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 23, 26, 28, 30, 35, 36, 39, 42, 45, 46, 52, 60, 63, 65, 69, 70, 78, 84, 90, 91, 92, 105, 115, 117, 126, 130, 138, 140, 156, 161, 180, 182, 195, 207, 210, 230, 234, 252, 260, 273, 276, 299, 315, 322, 345, 364, 390, 414, 420, 455, 460, 468, 483, 546, 585, 598, 630, 644, 690, 739, 780, 805, 819, 828, 897, 910, 966, 1035, 1092, 1170, 1196, 1260, 1365, 1380, 1449, 1478, 1495, 1610, 1638, 1794, 1820, 1932, 2070, 2093, 2217, 2340, 2415, 2691, 2730, 2898, 2956, 2990, 3220, 3276, 3588, 3695, 4095, 4140, 4186, 4434, 4485, 4830, 5173, 5382, 5460, 5796, 5980, 6279, 6651, 7245, 7390, 8190, 8372, 8868, 8970, 9607, 9660, 10346, 10465, 10764, 11085, 12558, 13302, 13455, 14490, 14780, 15519, 16380, 16997, 17940, 18837, 19214, 20692, 20930, 22170, 25116, 25865, 26604, 26910, 28821, 28980, 31038, 31395, 33255, 33994, 37674, 38428, 41860, 44340, 46557, 48035, 50991, 51730, 53820, 57642, 62076, 62790, 66510, 67249, 67988, 75348, 77595, 84985, 86463, 93114, 94185, 96070, 101982, 103460, 115284, 118979, 125580, 133020, 134498, 144105, 152973, 155190, 169970, 172926, 186228, 188370, 192140, 201747, 203964, 220961, 232785, 237958, 254955, 268996, 288210, 305946, 310380, 336245, 339940, 345852, 356937, 376740, 403494, 432315, 441922, 465570, 475916, 509910, 576420, 594895, 605241, 611892, 662883, 672490, 713874, 764865, 806988, 864630, 883844, 931140, 1008735, 1019820, 1070811, 1104805, 1189790, 1210482, 1325766, 1344980, 1427748, 1529730, 1546727, 1729260, 1784685, 1988649, 2017470, 2141622, 2209610, 2379580, 2420964, 2651532, 3026205, 3059460, 3093454, 3314415, 3569370, 3977298, 4034940, 4283244, 4419220, 4640181, 5354055, 6052410, 6186908, 6628830, 7138740, 7733635, 7954596, 9280362, 9943245, 10708110, 12104820, 13257660, 13920543, 15467270, 18560724, 19886490, 21416220, 23200905, 27841086, 30934540, 39772980, 46401810, 55682172, 69602715, 92803620, 139205430, 278410860]

約数ペア:

[(1, 278410860), (2, 139205430), (3, 92803620), (4, 69602715), (5, 55682172), (6, 46401810), (7, 39772980), (9, 30934540), (10, 27841086), (12, 23200905), (13, 21416220), (14, 19886490), (15, 18560724), (18, 15467270), (20, 13920543), (21, 13257660), (23, 12104820), (26, 10708110), (28, 9943245), (30, 9280362), (35, 7954596), (36, 7733635), (39, 7138740), (42, 6628830), (45, 6186908), (46, 6052410), (52, 5354055), (60, 4640181), (63, 4419220), (65, 4283244), (69, 4034940), (70, 3977298), (78, 3569370), (84, 3314415), (90, 3093454), (91, 3059460), (92, 3026205), (105, 2651532), (115, 2420964), (117, 2379580), (126, 2209610), (130, 2141622), (138, 2017470), (140, 1988649), (156, 1784685), (161, 1729260), (180, 1546727), (182, 1529730), (195, 1427748), (207, 1344980), (210, 1325766), (230, 1210482), (234, 1189790), (252, 1104805), (260, 1070811), (273, 1019820), (276, 1008735), (299, 931140), (315, 883844), (322, 864630), (345, 806988), (364, 764865), (390, 713874), (414, 672490), (420, 662883), (455, 611892), (460, 605241), (468, 594895), (483, 576420), (546, 509910), (585, 475916), (598, 465570), (630, 441922), (644, 432315), (690, 403494), (739, 376740), (780, 356937), (805, 345852), (819, 339940), (828, 336245), (897, 310380), (910, 305946), (966, 288210), (1035, 268996), (1092, 254955), (1170, 237958), (1196, 232785), (1260, 220961), (1365, 203964), (1380, 201747), (1449, 192140), (1478, 188370), (1495, 186228), (1610, 172926), (1638, 169970), (1794, 155190), (1820, 152973), (1932, 144105), (2070, 134498), (2093, 133020), (2217, 125580), (2340, 118979), (2415, 115284), (2691, 103460), (2730, 101982), (2898, 96070), (2956, 94185), (2990, 93114), (3220, 86463), (3276, 84985), (3588, 77595), (3695, 75348), (4095, 67988), (4140, 67249), (4186, 66510), (4434, 62790), (4485, 62076), (4830, 57642), (5173, 53820), (5382, 51730), (5460, 50991), (5796, 48035), (5980, 46557), (6279, 44340), (6651, 41860), (7245, 38428), (7390, 37674), (8190, 33994), (8372, 33255), (8868, 31395), (8970, 31038), (9607, 28980), (9660, 28821), (10346, 26910), (10465, 26604), (10764, 25865), (11085, 25116), (12558, 22170), (13302, 20930), (13455, 20692), (14490, 19214), (14780, 18837), (15519, 17940), (16380, 16997)]