305852820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{139}}^1$

素因数の和:215

約数の個数: 288

約数和(自身を含む): 1101864960

約数和(自身を除く): 796012140

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 31, 35, 39, 42, 52, 60, 62, 65, 70, 78, 84, 91, 93, 105, 124, 130, 139, 140, 155, 156, 169, 182, 186, 195, 210, 217, 260, 273, 278, 310, 338, 364, 372, 390, 403, 417, 420, 434, 455, 465, 507, 546, 556, 620, 651, 676, 695, 780, 806, 834, 845, 868, 910, 930, 973, 1014, 1085, 1092, 1183, 1209, 1302, 1365, 1390, 1612, 1668, 1690, 1807, 1820, 1860, 1946, 2015, 2028, 2085, 2170, 2366, 2418, 2535, 2604, 2730, 2780, 2821, 2919, 3255, 3380, 3549, 3614, 3892, 4030, 4170, 4309, 4340, 4732, 4836, 4865, 5070, 5239, 5421, 5460, 5642, 5838, 5915, 6045, 6510, 7098, 7228, 8060, 8340, 8463, 8618, 9035, 9730, 10140, 10478, 10842, 11284, 11676, 11830, 12090, 12649, 12927, 13020, 14105, 14196, 14595, 15717, 16926, 17236, 17745, 18070, 19460, 20956, 21545, 21684, 23491, 23660, 24180, 25298, 25854, 26195, 27105, 28210, 29190, 30163, 31434, 33852, 35490, 36140, 36673, 37947, 42315, 43090, 46982, 50596, 51708, 52390, 54210, 56017, 56420, 58380, 60326, 62868, 63245, 64635, 70473, 70980, 73346, 75894, 78585, 84630, 86180, 90489, 93964, 104780, 108420, 110019, 112034, 117455, 120652, 126490, 129270, 140946, 146692, 150815, 151788, 157170, 164437, 168051, 169260, 180978, 183365, 189735, 220038, 224068, 234910, 252980, 258540, 280085, 281892, 301630, 314340, 328874, 336102, 352365, 361956, 366730, 379470, 392119, 440076, 452445, 469820, 493311, 550095, 560170, 603260, 657748, 672204, 704730, 728221, 733460, 758940, 784238, 822185, 840255, 904890, 986622, 1100190, 1120340, 1176357, 1409460, 1456442, 1568476, 1644370, 1680510, 1809780, 1960595, 1973244, 2184663, 2200380, 2352714, 2466555, 2912884, 3288740, 3361020, 3641105, 3921190, 4369326, 4705428, 4933110, 5097547, 5881785, 7282210, 7842380, 8738652, 9866220, 10195094, 10923315, 11763570, 14564420, 15292641, 20390188, 21846630, 23527140, 25487735, 30585282, 43693260, 50975470, 61170564, 76463205, 101950940, 152926410, 305852820]

約数ペア:

[(1, 305852820), (2, 152926410), (3, 101950940), (4, 76463205), (5, 61170564), (6, 50975470), (7, 43693260), (10, 30585282), (12, 25487735), (13, 23527140), (14, 21846630), (15, 20390188), (20, 15292641), (21, 14564420), (26, 11763570), (28, 10923315), (30, 10195094), (31, 9866220), (35, 8738652), (39, 7842380), (42, 7282210), (52, 5881785), (60, 5097547), (62, 4933110), (65, 4705428), (70, 4369326), (78, 3921190), (84, 3641105), (91, 3361020), (93, 3288740), (105, 2912884), (124, 2466555), (130, 2352714), (139, 2200380), (140, 2184663), (155, 1973244), (156, 1960595), (169, 1809780), (182, 1680510), (186, 1644370), (195, 1568476), (210, 1456442), (217, 1409460), (260, 1176357), (273, 1120340), (278, 1100190), (310, 986622), (338, 904890), (364, 840255), (372, 822185), (390, 784238), (403, 758940), (417, 733460), (420, 728221), (434, 704730), (455, 672204), (465, 657748), (507, 603260), (546, 560170), (556, 550095), (620, 493311), (651, 469820), (676, 452445), (695, 440076), (780, 392119), (806, 379470), (834, 366730), (845, 361956), (868, 352365), (910, 336102), (930, 328874), (973, 314340), (1014, 301630), (1085, 281892), (1092, 280085), (1183, 258540), (1209, 252980), (1302, 234910), (1365, 224068), (1390, 220038), (1612, 189735), (1668, 183365), (1690, 180978), (1807, 169260), (1820, 168051), (1860, 164437), (1946, 157170), (2015, 151788), (2028, 150815), (2085, 146692), (2170, 140946), (2366, 129270), (2418, 126490), (2535, 120652), (2604, 117455), (2730, 112034), (2780, 110019), (2821, 108420), (2919, 104780), (3255, 93964), (3380, 90489), (3549, 86180), (3614, 84630), (3892, 78585), (4030, 75894), (4170, 73346), (4309, 70980), (4340, 70473), (4732, 64635), (4836, 63245), (4865, 62868), (5070, 60326), (5239, 58380), (5421, 56420), (5460, 56017), (5642, 54210), (5838, 52390), (5915, 51708), (6045, 50596), (6510, 46982), (7098, 43090), (7228, 42315), (8060, 37947), (8340, 36673), (8463, 36140), (8618, 35490), (9035, 33852), (9730, 31434), (10140, 30163), (10478, 29190), (10842, 28210), (11284, 27105), (11676, 26195), (11830, 25854), (12090, 25298), (12649, 24180), (12927, 23660), (13020, 23491), (14105, 21684), (14196, 21545), (14595, 20956), (15717, 19460), (16926, 18070), (17236, 17745)]