80388900

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{179}}^1\times {\mathrm{499}}^1$

素因数の和:698

約数の個数: 108

約数和(自身を含む): 253890000

約数和(自身を除く): 173501100

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 75, 90, 100, 150, 179, 180, 225, 300, 358, 450, 499, 537, 716, 895, 900, 998, 1074, 1497, 1611, 1790, 1996, 2148, 2495, 2685, 2994, 3222, 3580, 4475, 4491, 4990, 5370, 5988, 6444, 7485, 8055, 8950, 8982, 9980, 10740, 12475, 13425, 14970, 16110, 17900, 17964, 22455, 24950, 26850, 29940, 32220, 37425, 40275, 44910, 49900, 53700, 74850, 80550, 89321, 89820, 112275, 149700, 161100, 178642, 224550, 267963, 357284, 446605, 449100, 535926, 803889, 893210, 1071852, 1339815, 1607778, 1786420, 2233025, 2679630, 3215556, 4019445, 4466050, 5359260, 6699075, 8038890, 8932100, 13398150, 16077780, 20097225, 26796300, 40194450, 80388900]

約数ペア:

[(1, 80388900), (2, 40194450), (3, 26796300), (4, 20097225), (5, 16077780), (6, 13398150), (9, 8932100), (10, 8038890), (12, 6699075), (15, 5359260), (18, 4466050), (20, 4019445), (25, 3215556), (30, 2679630), (36, 2233025), (45, 1786420), (50, 1607778), (60, 1339815), (75, 1071852), (90, 893210), (100, 803889), (150, 535926), (179, 449100), (180, 446605), (225, 357284), (300, 267963), (358, 224550), (450, 178642), (499, 161100), (537, 149700), (716, 112275), (895, 89820), (900, 89321), (998, 80550), (1074, 74850), (1497, 53700), (1611, 49900), (1790, 44910), (1996, 40275), (2148, 37425), (2495, 32220), (2685, 29940), (2994, 26850), (3222, 24950), (3580, 22455), (4475, 17964), (4491, 17900), (4990, 16110), (5370, 14970), (5988, 13425), (6444, 12475), (7485, 10740), (8055, 9980), (8950, 8982)]