245987840

素因数分解:

$2^9\times 5^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{53}}^1$

素因数の和:127

約数の個数: 240

約数和(自身を含む): 717925032

約数和(自身を除く): 471937192

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 37, 40, 49, 53, 56, 64, 70, 74, 80, 98, 106, 112, 128, 140, 148, 160, 185, 196, 212, 224, 245, 256, 259, 265, 280, 296, 320, 370, 371, 392, 424, 448, 490, 512, 518, 530, 560, 592, 640, 740, 742, 784, 848, 896, 980, 1036, 1060, 1120, 1184, 1280, 1295, 1480, 1484, 1568, 1696, 1792, 1813, 1855, 1960, 1961, 2072, 2120, 2240, 2368, 2560, 2590, 2597, 2960, 2968, 3136, 3392, 3584, 3626, 3710, 3920, 3922, 4144, 4240, 4480, 4736, 5180, 5194, 5920, 5936, 6272, 6784, 7252, 7420, 7840, 7844, 8288, 8480, 8960, 9065, 9472, 9805, 10360, 10388, 11840, 11872, 12544, 12985, 13568, 13727, 14504, 14840, 15680, 15688, 16576, 16960, 17920, 18130, 18944, 19610, 20720, 20776, 23680, 23744, 25088, 25970, 27136, 27454, 29008, 29680, 31360, 31376, 33152, 33920, 36260, 39220, 41440, 41552, 47360, 47488, 51940, 54908, 58016, 59360, 62720, 62752, 66304, 67840, 68635, 72520, 78440, 82880, 83104, 94720, 94976, 96089, 103880, 109816, 116032, 118720, 125440, 125504, 132608, 135680, 137270, 145040, 156880, 165760, 166208, 189952, 192178, 207760, 219632, 232064, 237440, 251008, 274540, 290080, 313760, 331520, 332416, 384356, 415520, 439264, 464128, 474880, 480445, 502016, 549080, 580160, 627520, 663040, 664832, 768712, 831040, 878528, 928256, 949760, 960890, 1004032, 1098160, 1160320, 1255040, 1329664, 1537424, 1662080, 1757056, 1921780, 2196320, 2320640, 2510080, 3074848, 3324160, 3514112, 3843560, 4392640, 4641280, 5020160, 6149696, 6648320, 7028224, 7687120, 8785280, 12299392, 15374240, 17570560, 24598784, 30748480, 35141120, 49197568, 61496960, 122993920, 245987840]

約数ペア:

[(1, 245987840), (2, 122993920), (4, 61496960), (5, 49197568), (7, 35141120), (8, 30748480), (10, 24598784), (14, 17570560), (16, 15374240), (20, 12299392), (28, 8785280), (32, 7687120), (35, 7028224), (37, 6648320), (40, 6149696), (49, 5020160), (53, 4641280), (56, 4392640), (64, 3843560), (70, 3514112), (74, 3324160), (80, 3074848), (98, 2510080), (106, 2320640), (112, 2196320), (128, 1921780), (140, 1757056), (148, 1662080), (160, 1537424), (185, 1329664), (196, 1255040), (212, 1160320), (224, 1098160), (245, 1004032), (256, 960890), (259, 949760), (265, 928256), (280, 878528), (296, 831040), (320, 768712), (370, 664832), (371, 663040), (392, 627520), (424, 580160), (448, 549080), (490, 502016), (512, 480445), (518, 474880), (530, 464128), (560, 439264), (592, 415520), (640, 384356), (740, 332416), (742, 331520), (784, 313760), (848, 290080), (896, 274540), (980, 251008), (1036, 237440), (1060, 232064), (1120, 219632), (1184, 207760), (1280, 192178), (1295, 189952), (1480, 166208), (1484, 165760), (1568, 156880), (1696, 145040), (1792, 137270), (1813, 135680), (1855, 132608), (1960, 125504), (1961, 125440), (2072, 118720), (2120, 116032), (2240, 109816), (2368, 103880), (2560, 96089), (2590, 94976), (2597, 94720), (2960, 83104), (2968, 82880), (3136, 78440), (3392, 72520), (3584, 68635), (3626, 67840), (3710, 66304), (3920, 62752), (3922, 62720), (4144, 59360), (4240, 58016), (4480, 54908), (4736, 51940), (5180, 47488), (5194, 47360), (5920, 41552), (5936, 41440), (6272, 39220), (6784, 36260), (7252, 33920), (7420, 33152), (7840, 31376), (7844, 31360), (8288, 29680), (8480, 29008), (8960, 27454), (9065, 27136), (9472, 25970), (9805, 25088), (10360, 23744), (10388, 23680), (11840, 20776), (11872, 20720), (12544, 19610), (12985, 18944), (13568, 18130), (13727, 17920), (14504, 16960), (14840, 16576), (15680, 15688)]