90702080

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{191}}^1$

素因数の和:272

約数の個数: 144

約数和(自身を含む): 254306304

約数和(自身を除く): 163604224

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 53, 56, 64, 70, 80, 106, 112, 128, 140, 160, 191, 212, 224, 256, 265, 280, 320, 371, 382, 424, 448, 530, 560, 640, 742, 764, 848, 896, 955, 1060, 1120, 1280, 1337, 1484, 1528, 1696, 1792, 1855, 1910, 2120, 2240, 2674, 2968, 3056, 3392, 3710, 3820, 4240, 4480, 5348, 5936, 6112, 6685, 6784, 7420, 7640, 8480, 8960, 10123, 10696, 11872, 12224, 13370, 13568, 14840, 15280, 16960, 20246, 21392, 23744, 24448, 26740, 29680, 30560, 33920, 40492, 42784, 47488, 48896, 50615, 53480, 59360, 61120, 67840, 70861, 80984, 85568, 94976, 101230, 106960, 118720, 122240, 141722, 161968, 171136, 202460, 213920, 237440, 244480, 283444, 323936, 342272, 354305, 404920, 427840, 474880, 566888, 647872, 708610, 809840, 855680, 1133776, 1295744, 1417220, 1619680, 1711360, 2267552, 2591488, 2834440, 3239360, 4535104, 5668880, 6478720, 9070208, 11337760, 12957440, 18140416, 22675520, 45351040, 90702080]

約数ペア:

[(1, 90702080), (2, 45351040), (4, 22675520), (5, 18140416), (7, 12957440), (8, 11337760), (10, 9070208), (14, 6478720), (16, 5668880), (20, 4535104), (28, 3239360), (32, 2834440), (35, 2591488), (40, 2267552), (53, 1711360), (56, 1619680), (64, 1417220), (70, 1295744), (80, 1133776), (106, 855680), (112, 809840), (128, 708610), (140, 647872), (160, 566888), (191, 474880), (212, 427840), (224, 404920), (256, 354305), (265, 342272), (280, 323936), (320, 283444), (371, 244480), (382, 237440), (424, 213920), (448, 202460), (530, 171136), (560, 161968), (640, 141722), (742, 122240), (764, 118720), (848, 106960), (896, 101230), (955, 94976), (1060, 85568), (1120, 80984), (1280, 70861), (1337, 67840), (1484, 61120), (1528, 59360), (1696, 53480), (1792, 50615), (1855, 48896), (1910, 47488), (2120, 42784), (2240, 40492), (2674, 33920), (2968, 30560), (3056, 29680), (3392, 26740), (3710, 24448), (3820, 23744), (4240, 21392), (4480, 20246), (5348, 16960), (5936, 15280), (6112, 14840), (6685, 13568), (6784, 13370), (7420, 12224), (7640, 11872), (8480, 10696), (8960, 10123)]