285617880

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{449}}^1$

素因数の和:519

約数の個数: 256

約数和(自身を含む): 1036800000

約数和(自身を除く): 751182120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 27, 30, 31, 36, 38, 40, 45, 54, 57, 60, 62, 72, 76, 90, 93, 95, 108, 114, 120, 124, 135, 152, 155, 171, 180, 186, 190, 216, 228, 248, 270, 279, 285, 310, 342, 360, 372, 380, 449, 456, 465, 513, 540, 558, 570, 589, 620, 684, 744, 760, 837, 855, 898, 930, 1026, 1080, 1116, 1140, 1178, 1240, 1347, 1368, 1395, 1674, 1710, 1767, 1796, 1860, 2052, 2232, 2245, 2280, 2356, 2565, 2694, 2790, 2945, 3348, 3420, 3534, 3592, 3720, 4041, 4104, 4185, 4490, 4712, 5130, 5301, 5388, 5580, 5890, 6696, 6735, 6840, 7068, 8082, 8370, 8531, 8835, 8980, 10260, 10602, 10776, 11160, 11780, 12123, 13470, 13919, 14136, 15903, 16164, 16740, 17062, 17670, 17960, 20205, 20520, 21204, 23560, 24246, 25593, 26505, 26940, 27838, 31806, 32328, 33480, 34124, 35340, 40410, 41757, 42408, 42655, 48492, 51186, 53010, 53880, 55676, 60615, 63612, 68248, 69595, 70680, 76779, 79515, 80820, 83514, 85310, 96984, 102372, 106020, 111352, 121230, 125271, 127224, 127965, 139190, 153558, 159030, 161640, 167028, 170620, 204744, 208785, 212040, 230337, 242460, 250542, 255930, 264461, 278380, 307116, 318060, 334056, 341240, 375813, 383895, 417570, 460674, 484920, 501084, 511860, 528922, 556760, 614232, 626355, 636120, 751626, 767790, 793383, 835140, 921348, 1002168, 1023720, 1057844, 1151685, 1252710, 1322305, 1503252, 1535580, 1586766, 1670280, 1842696, 1879065, 2115688, 2303370, 2380149, 2505420, 2644610, 3006504, 3071160, 3173532, 3758130, 3966915, 4606740, 4760298, 5010840, 5289220, 6347064, 7140447, 7516260, 7933830, 9213480, 9520596, 10578440, 11900745, 14280894, 15032520, 15867660, 19041192, 23801490, 28561788, 31735320, 35702235, 47602980, 57123576, 71404470, 95205960, 142808940, 285617880]

約数ペア:

[(1, 285617880), (2, 142808940), (3, 95205960), (4, 71404470), (5, 57123576), (6, 47602980), (8, 35702235), (9, 31735320), (10, 28561788), (12, 23801490), (15, 19041192), (18, 15867660), (19, 15032520), (20, 14280894), (24, 11900745), (27, 10578440), (30, 9520596), (31, 9213480), (36, 7933830), (38, 7516260), (40, 7140447), (45, 6347064), (54, 5289220), (57, 5010840), (60, 4760298), (62, 4606740), (72, 3966915), (76, 3758130), (90, 3173532), (93, 3071160), (95, 3006504), (108, 2644610), (114, 2505420), (120, 2380149), (124, 2303370), (135, 2115688), (152, 1879065), (155, 1842696), (171, 1670280), (180, 1586766), (186, 1535580), (190, 1503252), (216, 1322305), (228, 1252710), (248, 1151685), (270, 1057844), (279, 1023720), (285, 1002168), (310, 921348), (342, 835140), (360, 793383), (372, 767790), (380, 751626), (449, 636120), (456, 626355), (465, 614232), (513, 556760), (540, 528922), (558, 511860), (570, 501084), (589, 484920), (620, 460674), (684, 417570), (744, 383895), (760, 375813), (837, 341240), (855, 334056), (898, 318060), (930, 307116), (1026, 278380), (1080, 264461), (1116, 255930), (1140, 250542), (1178, 242460), (1240, 230337), (1347, 212040), (1368, 208785), (1395, 204744), (1674, 170620), (1710, 167028), (1767, 161640), (1796, 159030), (1860, 153558), (2052, 139190), (2232, 127965), (2245, 127224), (2280, 125271), (2356, 121230), (2565, 111352), (2694, 106020), (2790, 102372), (2945, 96984), (3348, 85310), (3420, 83514), (3534, 80820), (3592, 79515), (3720, 76779), (4041, 70680), (4104, 69595), (4185, 68248), (4490, 63612), (4712, 60615), (5130, 55676), (5301, 53880), (5388, 53010), (5580, 51186), (5890, 48492), (6696, 42655), (6735, 42408), (6840, 41757), (7068, 40410), (8082, 35340), (8370, 34124), (8531, 33480), (8835, 32328), (8980, 31806), (10260, 27838), (10602, 26940), (10776, 26505), (11160, 25593), (11780, 24246), (12123, 23560), (13470, 21204), (13919, 20520), (14136, 20205), (15903, 17960), (16164, 17670), (16740, 17062)]