158728640

素因数分解:

$2^6\times 5^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{191}}^1$

素因数の和:275

約数の個数: 168

約数和(自身を含む): 450323712

約数和(自身を除く): 291595072

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 53, 56, 64, 70, 80, 98, 106, 112, 140, 160, 191, 196, 212, 224, 245, 265, 280, 320, 371, 382, 392, 424, 448, 490, 530, 560, 742, 764, 784, 848, 955, 980, 1060, 1120, 1337, 1484, 1528, 1568, 1696, 1855, 1910, 1960, 2120, 2240, 2597, 2674, 2968, 3056, 3136, 3392, 3710, 3820, 3920, 4240, 5194, 5348, 5936, 6112, 6685, 7420, 7640, 7840, 8480, 9359, 10123, 10388, 10696, 11872, 12224, 12985, 13370, 14840, 15280, 15680, 16960, 18718, 20246, 20776, 21392, 23744, 25970, 26740, 29680, 30560, 37436, 40492, 41552, 42784, 46795, 50615, 51940, 53480, 59360, 61120, 70861, 74872, 80984, 83104, 85568, 93590, 101230, 103880, 106960, 118720, 141722, 149744, 161968, 166208, 187180, 202460, 207760, 213920, 283444, 299488, 323936, 354305, 374360, 404920, 415520, 427840, 496027, 566888, 598976, 647872, 708610, 748720, 809840, 831040, 992054, 1133776, 1417220, 1497440, 1619680, 1984108, 2267552, 2480135, 2834440, 2994880, 3239360, 3968216, 4535104, 4960270, 5668880, 7936432, 9920540, 11337760, 15872864, 19841080, 22675520, 31745728, 39682160, 79364320, 158728640]

約数ペア:

[(1, 158728640), (2, 79364320), (4, 39682160), (5, 31745728), (7, 22675520), (8, 19841080), (10, 15872864), (14, 11337760), (16, 9920540), (20, 7936432), (28, 5668880), (32, 4960270), (35, 4535104), (40, 3968216), (49, 3239360), (53, 2994880), (56, 2834440), (64, 2480135), (70, 2267552), (80, 1984108), (98, 1619680), (106, 1497440), (112, 1417220), (140, 1133776), (160, 992054), (191, 831040), (196, 809840), (212, 748720), (224, 708610), (245, 647872), (265, 598976), (280, 566888), (320, 496027), (371, 427840), (382, 415520), (392, 404920), (424, 374360), (448, 354305), (490, 323936), (530, 299488), (560, 283444), (742, 213920), (764, 207760), (784, 202460), (848, 187180), (955, 166208), (980, 161968), (1060, 149744), (1120, 141722), (1337, 118720), (1484, 106960), (1528, 103880), (1568, 101230), (1696, 93590), (1855, 85568), (1910, 83104), (1960, 80984), (2120, 74872), (2240, 70861), (2597, 61120), (2674, 59360), (2968, 53480), (3056, 51940), (3136, 50615), (3392, 46795), (3710, 42784), (3820, 41552), (3920, 40492), (4240, 37436), (5194, 30560), (5348, 29680), (5936, 26740), (6112, 25970), (6685, 23744), (7420, 21392), (7640, 20776), (7840, 20246), (8480, 18718), (9359, 16960), (10123, 15680), (10388, 15280), (10696, 14840), (11872, 13370), (12224, 12985)]